PTO Manual of Classification for US patents

PTO Manual of Classification for US patents

What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.


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363-131 121-55A 14-.5
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Class Number: 968
 Class Title: HOROLOGY
  Subclasses: 1-380

Subclass  Subclass
Number    Title

  *       ******************************
  *       CROSS-REFERENCE ART COLLECTIONS
  *       *****************************
  2       DRIVING MECHANISMS (driving mechanisms for Turkish time subclass
           167; driving mechanisms in the hands subclass 396; driving
           mechanisms for phonographic apparatus G11B 19/00; springs,
           driving weight engines F03G; driving mechanisms for
           cinematography G03B 1/00; driving mechanisms; driving mechanisms
           for time fuses for missiles F42C; driving mechanisms for toys
           A63H 11/23) [G04B 1/00]
  3       .With driving weight [G04B 1/02]
  4       ..Mechanisms in which the clockwork acts as the driving weight
             [G04B 1/04]
  5       ..With several weights (winding up several weights
             simultaneously subclass 23) [G04B 1/06]
  6       ..Driving weights; chains; chain wheels; arbors for chain wheels
             (wheels and spindles in general F16F) [G04B 1/08]
  7       .With mainspring (synchronous motors with power reserve subclass
            559; springs in general F16F) [G04B 1/10]
  8       ..Having a form other than a helix (subclasses 9 and 10 take
             precedence) [G04B 1/10B]
  9       ..With several mainsprings (installations with a mainspring and
             an auxiliary spring subclass 19; winding up several
             mainsprings simultaneously subclass 28) [G04B 1/12]
  10      ..Mainsprings; bridles therefor (mainsprings with bridles
             subclass 14; alloys C22C; springs in general F16F;
             constructions for compensation of changes in the motive power
             of the mainspring subclass 18; construction of the hairspring
             subclass 111; arrangements facilitating the removal of the
             mainspring subclass 291) [G04B 1/14]
  11      ...Composition and manufacture of the springs (see note attached
              to this subclass)
  12      ..Barrels; arbors; barrel axles (arrangements facilitating the
             removal of the mainspring subclass 291) [G04B 1/16]
  13      ...Spring cylinder with friction transmission to the gearing
              (especially for Roskopf clockworks; friction clutch between
              spring and spring cylinder subclass 15) [G04B 1/16B]
  14      ..Constructions for connecting the ends of the mainsprings with
             the barrel or the arbor (mainsprings and bridles therefor
             subclass 10; clamping the hairspring on the regulator subclass
             121; clamping the hairspring on the arbor subclass 135) [G04B
             1/18]
  15      ...Friction clutch between spring and spring cylinder (friction
              transmission between spring cylinder and gearing subclass 13;
              other arrangements for protection against rupture or
              overwinding subclass 16) [G04B 1/18B]
  16      ...Protecting arrangements against rupture or overwinding of the
              mainspring located in the barrel or attached to the barrel
              (see note attached to this subclass)
  17      ....Stop mechanisms [G04B 1/20B]
  18      ..Compensation of changes in the motive power of the mainspring
             (by mechanical shaping of the mainspring subclass 10;
             automatic regulation of the pendulum subclass 115; of the
             regulator subclass 211) [G04B 1/22]
  19      ...With the aid of an interposed power accumulator (secondary
              spring) which is always tensioned (winding up several
              mainsprings or driving weights simultaneously subclass 28)
              [G04B 1/22B]
  20      .With both mainsprings and driving weights (winding up several
            mainsprings or driving weights simultaneously subclass 28)
            [G04B 1/24]
  21      .Driven by liquids or gases; liquid or gaseous drives or
            mechanically controlled secondary clocks (winding up by
            pneumatic means subclass 39; winding up automatically by wind
            power subclass 63; winding up by electrothermal or
            electro-pneumatic arrangements subclass 427; thermoelectric or
            thermo-pneumatic driving mechanisms subclass 495) [G04B 1/26]
  22      ..Clockwork systems working therewith (winding up electrical or
             mechanical clocks subclass 428; electrical clockwork
             installations subclass 524); winding [G04B 1/26B]
  23      NORMAL WINDING OF CLOCKWORKS BY HAND OR MECHANICALLY; WINDING UP
           SEVERAL MAINSPRINGS OR DRIVING WEIGHTS SIMULTANEOUSLY (see note
           attached to this subclass)
  24      .By pushbutton (crown combined with pushbutton subclass 34;
            construction of pushbutton subclass 35; waterproof pushbutton
            subclass 341) [G04B 3/00B]
  25      .By lever mechanism [G04B 3/00C]
  26      .By draw mechanism [G04B 3/00D]
  27      .Mechanical winding up; winding up with special equipment
            (removably- mounted keys subclass 29; winding up equipment for
            clocks with automatic winding up equipment subclass 40) [G04B
            3/00F)
  28      .Winding up several mainsprings or driving weights
            simultaneously (driving mechanisms with several weights
            subclass 5; driving mechanisms with several mainsprings
            subclass 9; driving mechanisms with a mainspring and a
            secondary spring subclass 19; driving mechanisms with a
            mainspring driving weights subclass 20; winding up the striking
            mechanisms with the clockwork and vice versa subclass 228)
            [G04B 3/00G]
  29      .Removably mounted keys or the like (special tools for
            clockworks with difficult access, universal keys for watches
            with a small crown subclass 27; keys with means preventing
            overwinding subclass 36; protecting means preventing
            overwinding subclass 38) [G04B 3/02]
  30      .Rigidly mounted keys, knob, or crowns (jointed winding stem
            subclass 322) [G04B 3/04]
  31      ..Construction of crowns for rotating movement; connection with
             the winding stem; winding stems [G04B 3/04B]
  32      ..Locking of the operating element, also by mounting in a
             concealed place [G04B 3/04C]
  33      ..Storing the operating element, also bringing it out of storage
             [G04B 3/04D]
  34      ..Operation by rotation and axial movement with extra function
             of axial shift of operating element, e.g., crown combined with
             push button, etc. (winding up by push button subclass 24)
             [G04B 3/04F]
  35      ..Operation exclusively by axial movement of a pushbutton, e.g.,
             for chronographs, etc. (winding up by pushbutton subclass 24;
             hermetically sealed pushbutton subclass 341) [G04B 3/04G]
  36      .Keys or the like with means preventing overwinding (protecting
            devices arranged in, or attached to, the barrel subclass 16; in
            connection with automatic winding devices subclass 20;
            construction of removably mounted keys subclass 29; means
            preventing overwinding, including those attached to the case,
            subclass 38; protecting means subclass 71; protection against
            overwinding for electrical winding up arrangements for
            mechanical clocks subclass 443) [G04B 3/06]
  37      .By parts of the cases (setting the time-indicating means by
            parts of the case subclass 248) [G04B 3/08]
  38      ..Protecting means preventing overwinding (arranged in, or
             attached to, the barrel subclass 16; in connection with keys
             subclass 36; in connection with automatic winding devices
             subclass 66; protection subclass 71; of electrical winding up
             arrangements for mechanical clocks subclass 443) [G04B 3/10]
  39      .By mechanical means, e.g., pneumatic motor, etc. (winding up
            with electric or electromechanical means subclass 425; liquid
            or gas driving mechanisms subclass 21; automatic winding up by
            wind power subclass 62) [G04B 3/12]
  40      AUTOMATIC WINDING UP (normal winding up by hand or mechanically
           subclass 23; automatic winding in combination with hand winding
           subclass 68; electrical winding of mechanical clockworks
           subclass 443; advertising by making use of vibrations or shocks
           of land vehicles G09F 21/04) [G04B 5/00]
  41      .By moving of parts of the clockwork which are not primarily for
            winding up [G04B 5/00B]
  42      .By relative movement between watchbands, case, or parts of the
            case [G04B 5/00C]
  43      .Clockworks, which wind up by driving the function, e.g.,
            perpetua mobilia, etc. (see also F03G 7/10) [G04B 5/00K]
  44      .By self-winding caused by the movement of the watch (bearings,
            suspensions for oscillating weights subclass 53; mechanisms for
            transformation of an oscillating movement into a rotating
            movement in only one direction subclass 73) [G04B 5/02]
  45      ..By oscillating weights the movement of which is limited
             (setting the time indicating means with the aid of a rocking
             bar subclass 248) [G04B 5/04]
  46      ...Acting in one direction only [G04B 5/06]
  47      ...Acting in both directions [G04B 5/08]
  48      ..By oscillating weights the movement of which is not limited
             [G04B 5/10]
  49      ...Acting in one direction only [G04B 5/12]
  50      ...Acting in both directions [G04B 5/14]
  51      ..Construction of the weights [G04B 5/16]
  52      ...Weights consisting of several parts (diverse weights which
              are movable in more than one plane subclass 59) [G04B 5/16B]
  53      ..Supports, suspensions, or guide arrangements, for oscillating
             weights (transmission of the movement of the winding up weight
             to the mainspring subclasses 45 and 48; support of the driving
             weight by protecting means which prevent overwinding, e.g., by
             interposing of a glide clutch, etc. subclass 66; bearings in
             general subclass 284) [G04B 5/18]
  54      ...Bearing of the rocking bar exclusively in the center of
              rotation [G04B 5/18B]
  55      ....The center of rotation not being the center of the clockwork
               [G04B 5/18B2]
  56      ...The bearing of the rocking bar is in the center of rotation
              combined with a support or guide arrangement [G04B 5/18C]
  57      ...Guide arrangement of the moving weight in a straight course
              [G04B 5/18D]
  58      ...Guide arrangement of the moving weight in a circular course
              [G04B 5/18F]
  59      ...Suspension of the moving weight by elastic means (subclass 60
              takes precedence) [G04B 5/18G]
  60      ...Bearing, guide arrangements, or suspension allowing movement
              in more than one plane, e.g., there is more than one moving
              weight, or more than one plane in which the weight moves, and
              it can change place relative to the clockwork, etc. [G04B
              5/18K]
  61      ...Bearing, guide arrangements, or suspension of the movement
              forming oscillating weight [G04B 5/18M]
  62      .By movement of other objects, e.g., by opening a handbag, by
            opening a case, by opening a door, etc; winding up by wind
            power [G04B 5/20]
  63      ..By liquids or gases (driven by liquids or gases subclass 21;
             winding up by pneumatic motor subclass 39; winding up by
             electrothermal or electro-pneumatic driving means subclass
             427; driving of the clockwork by such means subclass 495)
             [G04B 5/20D]
  64      ..By rotating axles, e.g., tachometers (direct drive of the
             clockwork, e.g., without winding up of a spring or the like by
             a rotating axle, etc. subclass 68; combination with measuring
             instruments in general subclass 411) [G04B 5/20F]
  65      .By thermometric, barometric, or like effects or alterations (by
            electrothermal or electro-pneumatic driving means subclass 427;
            driving the clockwork by such means subclass 495) [G04B 5/22]
  66      .Protecting means preventing overwinding (arranged in, or
            attached to, the barrel subclass 16; in connection with keys or
            the like subclass 36; in connection with parts of the cases
            subclass 38; support of the moving weight subclass 53;
            protection means subclass 71; electrical driving means for
            mechanical clockworks subclass 443) [G04B 5/24]
  67      ..By locking the moving weight [G04B 5/24B]
  68      COMBINED NORMAL AND AUTOMATIC WINDING UP (normal winding up by
           hand or mechanically subclass 23; automatic winding up subclass
           40; electric winding up of mechanical clockworks subclass 427)
           [G04B 7/00]
  69      SUPERVISION OF THE STATE OF WINDING, E.G., INDICATING THE AMOUNT
           OF WINDING, ETC, [G04B 9/00]
  70      .By optical indication of the amount of winding [G04B 9/00B]
  71      .Devices controlled by such state, e.g., device affording
            protection means against overwinding, etc. (protecting means
            preventing overwinding arranged in or on the barrel subclass
            16; protecting means in connection with keys or the like
            subclass 36; in connection with parts of the cases subclass 38;
            in connection with automatic winding devices subclass 66;
            electric winding up of mechanical clockworks subclass 443)
            [G04B 9/02]
  72      ..Acoustical or electrical indicating means [G04B 9/02B]
  73      CLICK DEVICES; STOP CLICKS; CLUTCHES (mechanisms for winding up
           by hand subclass 23; automatic winding up subclass 40;) [G04B
           11/00]
  74      .Devices in which the motion of a rotating member is limited to
            one direction [G04B 11/00B]
  75      ..With a ratchet which makes contact with the rotating member by
             means of teeth [G04B 11/00B2]
  76      ...Rotatable about a fixed axis by means of spring action [G04B
              11/B2B]
  77      ..With clamping member [G04B 11/00B3]
  78      ..With friction member, e.g., click spring, etc. [G04B 11/00B4]
  79      .Ratchet construction for driving rotating members in one
            direction, e.g., a ratchet on an oscillating member driving a
            ratchet wheel, etc. [G04B 11/00C]
  80      .Clutch mechanism between two rotating members with transfer of
            movement in both directions, possibly with limitation on the
            transfer of power [G04B 11/00D]
  81      ..With friction member, e.g., with spring action, etc. [G04B
             11/00D4]
  82      ..With magnetic elements [G04B 11/00D5]
  83      .Clutch mechanism between two rotating members with transfer of
            movement in only one direction (free running devices) [G04B
            11/00F]
  84      ..With friction members, e.g., click spring, etc. [G04B
             11/00F4]
  85      GEARWORK (Gearwork for driving the hands subclass 140; calibers
           subclass 284; dispositions and components for transmission in
           general F16H) [G04B 13/00]
  86      .With the choice of adjustable or varying transmission ratio
            [G04B 13/00B]
  87      .Where rotation in one direction is changed into a stepping
            movement [G04B 13/00C]
  88      ..With a step for each complete revolution (counters in general
             H03K) [G04B 13/00C2]
  89      .Where a revolution in both directions is changed into a
            revolution in one direction [G04B 13/00D]
  90      ..With two free wheel positions [G04B 13/00D2]
  91      .With differential work [G04B 13/00G]
  92      ..Differentials [G04B 13/00G2]
  93      .Wheels; pinions; spindles; pivots (bearings subclass 271; chain
            wheels, spindles for chain wheels, also chains and driving
            weights subclass 6) [G04B 13/02]
  94      ..Assembly and manufacture (assembly and manufacture of springs
             subclass 11; machines and tools for the manufacture of chain
             wheels for clocks subclass 685; component parts and
             manufacture of the escape wheel subclass 102; steel alloys
             C21C 33/00-41/00; manufacture of pinions from synthetic
             material B29; nonferrous alloys C22C; pinions manufactured by
             milling and planing B23F) operating mechanisms [G04B 13/02R]
  95      ESCAPEMENTS (magnetic subclass 496; in striking mechanisms
           subclass 224;) [G04B 15/00]
  96      .Permanently in contact with the regulating mechanism [G04B
            15/02]
  97      ..Cylinder escapements [G04B 15/04]
  98      .Free escapements [G04B 15/06]
  99      ..Lever escapements [G04B 15/08]
  100     .With constant impulses for the regulating mechanism
            (electrically driven pendulums with mechanical pulse
            transmission and constant pulse subclass 455; electrically
            driven pendulums with mechanical pulse transmission and
            constant pulse subclass 468) [G04B 15/10]
  101     .Adjusting (tools therefor subclass 665); restricting the
            amplitude of the lever or the like (adjusting the gear train
            subclass 293) [G04B 15/12]
  102     .Component parts or constructional details, e.g., construction
            of the lever or the escape wheel, etc; assembly and manufacture
            of spring subclass 11; assembly and manufacture of components,
            e.g., pinions, spindles, etc., subclass 94; oils for clockwork
            bearings in general subclass 281 [G04B 15/14]
  103     MECHANISMS FOR STABILIZING FREQUENCY (magnetic subclass 497; in
           striking mechanisms subclass 224; stopping and regulating of the
           running subclass 234; electrical and thermoelectric regulating
           mechanisms subclass 496) [G04B 17/00]
  104     .Regulating mechanisms where the movement is maintained by
            pneumatic means (oscillation generation by pneumatic means
            subclass 828) [G04B 17/00B]
  105     .Oscillators acting by gravity, e.g., pendulum swinging in a
            plane, etc. (setting the pendulum to the required length
            subclass 115; temperature compensation for pendulums subclass
            128; bearings in general, e.g., knife-edge subclass 271, etc;
            clocks fitted in pendulums subclass 396; imitation pendulums
            driven by the clock mechanism subclasses 387 and 388; pendulum
            ornamentation subclass 389; contacts actuated by a pendulum
            subclass 546; measurement of force with a pendulum G01V 7/12)
            [G04B 17/02]
  106     ..Composite and multiple pendulums; synchronization of
             mechanical pendulums, (electrical synchronization G03C 3/02;
             pendulum systems subclass 532) [G04B 17/02B]
  107     .Oscillators acting by spring tension [G04B 17/04]
  108     ..With oscillating blade springs (mechanical oscillations
             maintained by electromagnetic means, e.g., tuning forks, etc.
             subclass 548) [G04B 17/04B]
  109     ..Oscillators with hairsprings, e.g., balance, etc.
             (electrically driven balances subclass 466; contacts actuated
             by a balance subclass 546) [G04B 17/06]
  110     ...Balance construction (balances with frequency adjustment
              screw subclass 116; balances with temperature compensation
              subclass 127; balancing devices subclass 132) [G04B 17/06B]
  111     ...Manufacture of the spiral spring (locking of the spiral
              spring by the regulating lever subclass 121; spiral spring
              with temperature compensation subclass 129; fixation of the
              spiral spring on the collet subclass 135; mainspring subclass
              10) [G04B 17/06C]
  112     ..Oscillators with coil springs stretched and unstretched
             axially [G04B 17/08]
  113     ..Oscillators with torsion strips or springs acting in the same
             manner as torsion strips, e.g., weight oscillating in a
             horizontal plane, etc. (electrically driven torsion pendulum
             subclass 464) [G04B 17/10]
  114     .Setting the frequency [G04B 17/12]
  115     ..By displacement of devices carried by the pendulum or by
             adjusting the pendulum length (pendulums and suspension
             subclass 105; self-adjustment of the regulating lever
             subclasses 122, 123, and 509; adjusting the stroke of the
             pendulum subclass 123; indicating by acoustic means subclass
             217; synchronization with a standard clock subclass 509;
             metronome with a variable length subclass 821) [G04B 17/12B]
  116     ..By adjusting the devices fixed on the balance (construction of
             the pendulum subclass 110; balancing subclass 132) [G04B
             17/12C]
  117     ..Adjustment devices [G04B 17/14]
  118     ...Adjusting the regulator from the outside [G04B 17/14B]
  119     ...With means for fine adjustment of the regulator [G04B
              17/14C]
  120     ...Bearings for regulators [G04B 17/14D]
  121     ...Locking the hairspring in the regulator key (hairsprings
              subclass 111; locking the mainspring on the axle subclass 14)
              [G04B 17/14F]
  122     ...Setting the regulator by means dependent on another device,
              e.g., by the time indication setting mechanism, etc.
              (automatic adjustment of the pendulum length subclass 115,
              128, and 506; automatic adjustment of the regulator for
              temperature compensation subclass 126; automatic adjustment
              of the regulator dependent on the tension of the mainspring
              subclass 18) [G04B 17/14K]
  123     .Adjusting the beat of the pendulum, balance or the like
            (adjusting the frequency subclass 114) [G04B 17/16]
  124     ..By setting the collet or the stub of the hairspring [G04B
             17/18]
  125     .Compensation of mechanisms for stabilizing frequency [G04B
            17/20]
  126     ..For the effect of variations of temperature (alloys with small
             expansion coefficient C21C, C22C; adjustment of the regulator
             dependant on adjustment of the hands subclass 122; depending
             on the difference in time with a comparison clockwork subclass
             509) [G04B 17/22]
  127     ...With balances (construction of balances subclass 110) [G04B
              17/22B]
  128     ...With pendulums (construction of pendulums subclass 105;
              setting frequency on the pendulum subclass 115) [G04B
              17/22C]
  129     ...Composition and manufacture of the material used (composition
              and manufacture of hairsprings subclass 111; of springs
              subclass 11; anti-magnetic alloys subclass 380; ferrous
              alloys C22C; nonferrous alloys C22C, B22F) [G04B 17/22R]
  130     ..For the effect of variations of atmospheric pressure [G04B
             17/24]
  131     ..For the effect of variations of the impulses [G04B 17/26]
  132     ..For the effect of unbalance of the weights, e.g., tourbillon,
             etc. (construction of the balance subclass 110; setting the
             frequency by adjusting devices fixed on the balance subclass
             116) [G04B 17/28]
  133     ...Tourbillons [G04B 17/28B]
  134     .Rotating governors, e.g., centrifugal governors, fan governors,
            etc. (for striking mechanisms subclass 224; electrically driven
            subclass 465) [G04B 17/30]
  135     .Component parts or constructional details, e.g., collet, stud,
            etc. [G04B 17/32]
  136     ..Devices for locking the spring on the axle of the balance
             [G04B 17/32B]
  137     ...Construction of the spiral roll [G04B 17/32B2]
  138     ..Means for locking the spring in a stationary position, e.g.,
             using a block, etc. [G04B 17/32C]
  139     INDICATING BY VISUAL MEANS (by electric lamps subclass 576;
           indicating by acoustical means mechanically subclass 217,
           electrically subclass 580; acoustic signals at preselected times
           mechanically subclass 229, electrically subclass 580; optical
           time signals at preselected times mechanically subclass 244,
           electrically subclass 577; continuous time indication by
           electric means subclass 564; visible signalling arrangements
           G08B 5/00) [G04B 19/00]
  140     .Back-gearing arrangements between gear train and hands
            (transmissions in general subclass 85) [G04B 19/02]
  141     ..For simultaneous indicating on several dials (indicating means
             allowing simultaneous indication subclass 146; with several
             separate dials subclass 149; extra hands for indicating
             different local apparent times subclass 168) [G04B 19/02B]
  142     .Hands; discs with a single mark or the like (moving indicating
            arrangements which have scales or numbers with stationary hands
            or reading means subclass 162; optical projection of the
            position of the hands subclass 216) [G04B 19/04]
  143     ..Construction and manufacture of the hands; arrangements for
             increasing reading accuracy (hands with illumination subclass
             214; specially shaped hands, e.g., figures or pictures, etc.,
             subclass 389; clockwork in the hands subclass 396; invisible
             drive of the hands subclass 397) [G04B 19/04B]
  144     ..Mounting and setting of the hands on the axle [G04B 19/04C]
  145     ..Indicating by means of a disc with a mark or window (for
             simultaneous indicating subclass 146) [G04B 19/04D]
  146     ..Having the possibility of indicating on more than one scale,
             e.g., hands with variable length which work on different
             scales, etc. (simultaneous indicating on several dials
             subclass 141; used as moving scales subclass 163; different
             indications on several scales or dials, e.g., for different
             local apparent times, etc., subclass 168) [G04B 19/04F]
  147     .Dials (for time-pieces without clockwork subclass 416; moving
            discs subclass 162; illuminated dials or hands subclass 213)
            [G04B 19/06]
  148     ..With several parts [G04B 19/06B]
  149     ..Geometrical arrangement of the graduations [G04B 19/08]
  150     ...Varying from the normal closed scale [G04B 19/08B]
  151     ...Varying from the normal 12 hour arrangement [G04B 19/08D]
  152     ...With several separate scales (for indicating the same or
              different times of the clockwork; indicating devices making
              several simultaneous indications possible subclass 146) [G04B
              19/08F]
  153     ..Ornamental shape of the graduations or the surface of the
             dial; attachment of the graduations to the dial (cases for
             special purposes, e.g., ring or button watches, etc. subclass
             342; indicating means with special effects subclass 381) [G04B
             19/10]
  154     ..Attached or inlaid numbers (attaching of jewels) [G04B
             19/10B]
  155     ...Special number markings [G04B 19/10K]
  156     ..Selection of materials for dials or graduations (markings)
             [G04B 19/12]
  157     ..Fastening the dials to the clock or watch plates [G04B 19/14]
  158     ..Shiftable dials, e.g., indicating alternately from 1 to 12 and
             from 13 to 24, etc. (dials with a scale other than the normal
             12 hour scale subclass 151) [G04B 19/16]
  159     ...Numbers which are visible alternately from 1 to 12 and from
              13 to 24 on the same dial [G04B 19/16B]
  160     ...With rotating scales [G04B 19/16C]
  161     ..Graduations on the crystal or glass, on the bezel, or on the
             rim [G04B 19/18]
  162     .Indicating by numbered bands, drums, discs, or sheets
            (indicating means without numbers or hands in general subclass
            142; illuminated subclass 213; with optical projection digest
            subclass; gearwork and linking in general subclass 85;
            electrically driven subclass 579; counter mechanisms G06M)
            [G04B 19/20]
  163     ..By means of turning discs (disc-shaped indicating devices with
             a reference mark or a window subclass 145; discs driven by
             clockwork and producing optical special effects subclass 382;
             with inscriptions or drawings driven by a clockwork subclass
             384; with figures or parts of figures driven by clockwork
             subclass 386) [G04B 19/20B]
  164     ..With spatial scales, e.g., on drums (drum-shaped or spatial
             indicating devices, etc., subclass 142; fixed scales or dials
             subclass 147; scales disposed on a terrestial globe for
             indicating local times in different places subclass 167;
             clockwork combined with a lamp with no functional relationship
             subclass 404) [G04B 19/20C]
  165     ..By means of sheets [G04B 19/20D]
  166     ..By means of bands (bands as time indicating means with a
             reference mark or window subclass 142) [G04B 19/20F]
  167     .Arrangements for indicating different local apparent times;
            universal time pieces (indicating by means of numbers or signs
            disposed on moving devices subclass 162; illumination of dials
            or hands subclass 231; combination with a terrestial globe in
            general subclass 404) [G04B 19/22]
  168     ..By means of hands or supplementary pair of hands (simultaneous
             indication on several dials subclass 141; indicating devices
             giving several simultaneous indications subclass 146) [G04B
             19/22B]
  169     ..With a three dimensional geographical representation, e.g., a
             terrestial globe, as dial, etc. [G04B 19/22G]
  170     .Clocks or watches with data indicators, e.g., calendar clocks
            or watches, etc.; clockwork calendars (indication by discs with
            numbers, in general subclass 162; link and gear work subclass
            85; combination of the clockwork with a settable calendar
            subclass 398; calendars in general B42D 5/04, G09D 3/00;
            electrical counters and counting circuits H03K; clockwork for
            advertising G09F 23/16; devices for time computing where an
            unknown may be determined G02B) [G04B 19/24]
  171     ..With one or more indicating devices in disc shape,
             construction production and support of the date indicating
             disc, also its fixation in a determined position [G04B
             19/24B]
  172     ...Up to date devices (moving indicating devices not driven by
              the clock- work subclass 400; setting the hands subclass 248)
              [G04B 19/24B3]
  173     ...Independent date indicating devices driven either by
              clockwork or by the hand, e.g., calendar watches, etc.) [G04B
              19/24B5]
  174     ....Driven or freed by a steady movement [G04B 19/24B5B]
  175     .....With more than one date indicating device and without
                suppression of data [G04B 19/24B5B2]
  176     .....With more than one date indicating device and with
                automatic suppression of certain data, e.g., for correct
                indication at the end of the month [G04B 19/24B5B4]
  177     ...The date indicating device being paced or freed mechanically
              by a clockwork movement [G04B 19/24B7]
  178     ....The indicating devices are continuously driven by the
               clockwork movement [G04B 19/24B7C]
  179     .....With more than one date indicating device and without data
                suppression [G04B 19/24B7C2]
  180     ....The indicating devices are driven step by step by the
               clockwork movement [G04B 19/24B7D]
  181     .....With more than one date indicating device and without data
                suppression [G04B 19/24B7D2]
  182     .....With more than one date indicating device and with
                suppression of certain data [G04B 19/24B7D4]
  183     ....The indicating devices are driven by successive steps by
               means of a loaded energy source and freed at a certain
               moment by the clockwork movement [G04B 19/24B7F]
  184     .....With more than one date indicating device and without data
                suppression [G04B 19/24B7F2]
  185     .....With more than one date indicating device and with
                suppression of certain data [G04B 19/24B7F4]
  186     ....The indicating devices being driven by their own energy
               source, and that being freed at regular time periods [G04B
               19/24B7G]
  187     ..With one or several indicating devices, being drum shaped or
             three-dimensional [G04B 19/24C]
  188     ...Independent date indicators activated by clockwork or by hand
              [G04B 19/24C5]
  189     ...The date indicating mechanism is driven or disabled
              mechanically by a clockwork [G04B 19/24C7]
  190     ....The indicating devices art stepwise driven by the clockwork
               [G04B 19/24C7D]
  191     ....The indicating devices are driven by successive steps by
               means of a charged energy source and freed at a certain
               moment by the clockwork [G04B 19/24C7F]
  192     ....The indicating devices are driven by their energy source
               which is freed at regular time intervals [G04B 19/24C7G]
  193     ..With one or more sheet-shaped indicating devices [G04B
             19/24D]
  194     ...The date indicating mechanism is driven by or mechanically
              freed by clockwork [G04B 19/24D7]
  195     ..With one or more band-shaped indicating devices [G04B 19/24F]
  196     ...Independent date indicating devices actuated manually or by
              the clock- work [G04B 19/24F5]
  197     ...The date indicating device being driven or freed mechanically
              by a clockwork [G04B 19/24F7]
  198     ....The indicating devices are driven stepwise by the clockwork
               [G04B 19/24F7D]
  199     ....The indicating devices are driven by successive steps by
               means of a charged energy source and freed at a determined
               moment by the clockwork [G04B 19/24F7F]
  200     ....The indicating devices are driven by their own energy source
               which is freed at regular intervals [G04B 19/24F7G]
  201     ..Different kinds of date indicating mechanism, e.g., with discs
             and drums, or drums, and bands, etc. [G04B 19/24G]
  202     ...Independent date indicating devices activated normally or by
              clockwork [G04B 19/24G5]
  203     ...Date indicating devices driven or freed mechanically by a
              clockwork [G04B 19/24G7]
  204     ....The indicating devices are driven stepwise by the clockwork
               [G04B 19/24G7D]
  205     ....The indicating devices are driven by successive steps by
               means of a charged energy source and freed at a determined
               moment by the clockwork [G04B 19/24G7F]
  206     ....The indicating devices are driven by their own energy source
               which is freed at regular intervals [G04B 19/24G7G]
  207     .Clocks or watches with indicators for tides, for the phases of
            the moon, or the like (planetaria G09B 27/00 -27/06;
            arrangements for table reference, e.g., menstrual tables, etc.,
            G06C 3/00) [G04B 19/26]
  208     ..With indicators for biological cycles [G04B 19/26]
  209     ..With indicators for tides [G04B 19/26M]
  210     ..With indicators for the phases of the moon [G04B 19/26P]
  211     .Adjustable guide marks or pointers for indicating determined
            points of time (inscriptions or pictures moved by hand subclass
            385) [G04B 19/28]
  212     ..On rotatable rings [G04B 19/28B]
  213     .Illumination of dials or hands (arrangements for indicating
            different local apparent times by means of a globe illuminated
            from inside subclass 167; continuous indication of the time by
            nonelectric light sources subclass 243; illumination by
            electric lamps which function at fixed times or periodically
            subclass 578; illuminated panels G09F 13/00, 13/22) [G04B
            19/30]
  214     ..Whereby the hands carry the source of light (hands and
             manufacture thereof subclass 143; projection of hands or dials
             subclass 216; illumination of scales and/or hands on moving
             scales H03J 1/02; on compasses G01C 17/24; on weighing
             apparatus G01G 23/18; on measuring instruments G01D 11/28)
             [G04B 19/30B]
  215     ..By luminescent substances (for advertising G09F 19/18; disc or
             drum shaped indicating means with marks or windows subclass
             142; with numbers or number-marks subclass 162; illumination
             of dials and hands, etc., subclass 213; projection of hands
             and/or scales on weighing apparatus G01G 19/00; on measuring
             instruments G01D 5/26B) [G04B 19/32]
  216     .Position of the hands projected optically (for advertising G09F
            19/18; indicating by disc or drums with mark or window subclass
            142, with figures or signs subclass 162; illumination of dials
            or hands subclass 213, case for electrical components subclass
            452; optical projection of a pointer and/or scale for weighing
            apparatus G01G 23/32; for measuring instruments G01D 5/26B)
            [G04B 19/34]
  217     INDICATING BY ACOUSTIC MEANS (at preselected times subclass 229;
           by electroacoustic means or electroacoustic time indicating
           subclass 582; time indicating by means other than acoustically,
           or combined means subclass 243; time indicating by visual means
           subclass 139; acoustic signalling arrangements G08B 3/00) [G04B
           21/00]
  218     .Periodical acoustic signalling arrangements (subclass 219 takes
            precedence); (adjustment of the frequency by setting the length
            of the pendulum subclass 115) [G04B 21/00B]
  219     .Regular striking mechanisms giving the full hour, half hour, or
            quarter hour [G04B 21/02]
  220     ..With saw mechanism [G04B 21/02B]
  221     ...With silent saw action [G04B 21/02B2]
  222     ..With locking wheel [G04B 21/02C]
  223     ..Hour wheels; racks or rakes; snails or similar control
             mechanisms [G04B 21/04]
  224     ..Details of striking mechanisms, e.g., hammer, fan governor,
             etc. (escapements in general subclass 95; mechanisms for
             stabilizing frequency subclass 103; resistance regulators G05D
             13/00; mechanical toys A63H) [G04B 21/06]
  225     ..Sounding bodies; whistles; musical apparatus (with
             electroacoustical transmitters subclass 580; sounding
             arrangements in alarm clocks subclass 237; cases with
             arrangements for enhancing sound production subclass 303;
             carillons and sounding boards G10F 1/08, 1/10, G10D 13/08)
             [G04B 21/08]
  226     ..Releasing or locking the regular stroke, e.g., for silence
             during the night, etc. [G04B 21/10]
  227     ..Reiterating watches or clocks [G04B 21/12]
  228     ..Winding up the striking mechanism by the clockwork; winding up
             the clockwork by the striking mechanism; winding up by hand or
             mechanically subclass 23) [G04B 21/14]
  229     ARRANGEMENTS PRODUCING ACOUSTIC SIGNALS AT PRESELECTED TIMES
           (optical time indicating subclass 139, 564, and 577; indicating
           by acoustic means subclass 217; indicating time by means other
           than acoustic or optical or by a combination of means subclass
           243; acoustic time signals produced electrically subclass 580;
           coin-freed alarm clocks G07F 17/00B; acoustic signalling means
           G08B 3/00) [G04B 23/00]
  230     .By starting up musical boxes or other musical recordings
            (starting up and stopping of phonographs by means of clockwork
            apparatus G11B 33/06) [G04B 23/00B]
  231     .Alarm clocks (electrically released alarm signals subclass 580;
            waking up by electric lamps subclass 578; by other means
            subclass 244; alarm clocks with electric contacts subclass 608)
            [G04B 23/02]
  232     ..Controls, e.g., winding up the alarm, adjusting and indicating
             the waking time, etc. [G04B 23/02B]
  233     ..Stopping means [G04B 23/02C]
  234     ..Driving, e.g., by springs or common drive with the clockwork,
             etc.; gears; escapements (escapements in general subclass 95;
             regulating means for clockworks in general subclass 103) [G04B
             23/02D]
  235     ..Signal triggering (in alarm clocks which deliver also or only
             nonacoustic signals subclass 244) [G04B 23/02F]
  236     ..Hammer driving; hammers; devices with several hammers or
             sounding bodies; vibrators [G04B 23/02G]
  237     ..Sounding bodies; boxes used as sounding cases; fixation on or
             in the case (sounding bodies subclass 225; case enhancing
             transmission of sound waves subclass 303) [G04B 23/02H]
  238     ..With coarse and fine setting of the preselected times [G04B
             23/04]
  239     ..Adjustable for several preselected times with automatic
             stopping of the signal [G04B 23/06]
  240     ..Operating on successive days without resetting; operating only
             once in each 24 hours [G04B 23/08]
  241     ..With pre-signal; with repeated signal; with changeable
             intensity of sound [G04B 23/10]
  242     ..Alarm watches to be worn in pockets or on the wrist (giving
             signals by stimulating the skin subclass 246) [G04B 23/12]
  243     INDICATING THE TIME BY OTHER MEANS OR BY COMBINED MEANS
           (electric or electromechanical indicating subclass 425;
           illumination of dials and hand subclass 213; indicating by
           acoustic means subclass 217; arrangements producing acoustic
           signals at preselected times subclass 229; continuously
           indicating the time optically by electric means subclass 577;
           producing acoustic time signals by electrical means subclass
           580; gas lamp adjustment by clockwork subclass 243; devices for
           cooking eggs A47J 29/00) [G04B 25/00]
  244     .In alarm clocks (subclass 246 takes precedence) [G04B 25/00]
  245     .By feeling; clocks or watches for blind persons [G04B 25/02]
  246     ..Alarm clocks or watches with devices stimulating the skin
             (normal pocket or wrist alarm clocks subclass 242) [G04B
             25/04]
  247     .By moving figures, e.g., cuckoo clocks, trumpet clocks, etc.
            (figures, or part of figures set in motion by the clockwork and
            creating an optical special effect subclass 382; figures or
            parts of figures not used to indicate time subclass 386;
            clockworks driving inscriptions or figures subclass 384;
            time-indication by means of plates or bands driven electrically
            subclass 582) [G04B 25/06]
  248     MECHANICAL DEVICES FOR SETTING THE TIME-INDICATING MEANS [G04B
           27/00]
  249     .Internal gear therefor, e.g., for setting the second hand or
            for setting several clockworks, etc. [G04B 27/00B]
  250     .The setting apparatus being crown shaped (subclass 255 takes
            precedence) [G04B 27/00C]
  251     .Having several simultaneous functions, e.g., stopping or
            starting the clockwork or the hands, etc. (subclass 255 takes
            precedence) [G04B 27/00D]
  252     .Stepwise or on determined values (subclass 255 takes
            precedence) [G04B 27/00F]
  253     .Otherwise than manually (subclass 255 takes precedence)
            (oscillatory weights in general subclass 45) [G04B 27/00G]
  254     .With parts which are put together with the winding parts, but
            are functionally separate from them [G04B 27/00K]
  255     .By making use of the winding means (winding by hand or
            mechanically subclass 23) [G04B 27/02]
  256     ..Changing of the winding position to the setting position and
             vice versa is done with an independent part of the winding or
             setting mechanism (subclasses 259 and 261 take precedence) (by
             part of the case subclass 264) [G04B 27/02B]
  257     ..For several clockworks or pairs of hands and/or supplementary
             functions [G04B 27/02F]
  258     ..With clutch wheel (support and displacement of the winding
             stem through the case, means for preventing the stem from
             going too far, fixation subclass 322) [G04B 27/04]
  259     ...Changing the winding position to the setting position and
              vice versa is done with an independent part of the winding or
              setting mechanism [G04B 27/04B]
  260     ..With rocking bar (support and displacement of the winding stem
             through the case, means preventing the stem from going too
             far, fixation subclass 322) [G04B 27/06]
  261     ...Changing the winding position to the setting position and
              vice versa is done with an independent part of the winding or
              setting mechanism [G04B 27/06B]
  262     .By using parts of the case (winding by using parts of the case
            subclass 37) [G04B 27/08]
  263     ..Which may be used for winding when changed from the normal
             position [G04B 27/08B]
  264     ..Which, after displacing a supplementary part, may be used for
             winding (similar devices subclass 256; in mechanisms with
             coupled pinions subclass 259; in rocking mechanisms subclass
             261) [G04B 27/08C]
  265     FRAMEWORKS [G04B 29/00]
  266     .Plates; bridges; cocks [G04B 29/02]
  267     ..Bridges [G04B 29/02B]
  268     ..Cocks [G04B 29/02C]
  269     ..Materials and manufacturing (alloys, in general C22C) [G04B
             29/02S]
  270     .Connecting or supporting parts [G04B 29/04]
  271     BEARINGS; POINT SUSPENSIONS, OR COUNTER-POINT SUSPENSIONS; PIVOT
           BEARINGS; SINGLE PARTS THEREFOR (bearings in general F16C;
           manufacture and composition of springs subclass 11; suspension
           of oscillating weights subclass 54; suspension of a pendulum
           subclass 105; devices for fixation of bearing jewels, bearings,
           sleeves, etc., subclass 735; bearings for electrical measurement
           apparatus G01R 1/10, 1/12, 11/12, 11/14; inserting jewels A44C
           17/04; inserting cutting diamonds B23P 5/00) [G04B 31/00]
  272     .Jeweled bearings [G04B 31/00B]
  273     ..With jewel hole and jewel cap (shock damping bearings with
             jewel hole and jewel cap subclass 283) [G04B 31/00B2]
  274     ..With only jewel hole [G04B 31/00B3]
  275     ..With only jewel cap [G04B 31/00B4]
  276     .Metal bearings [G04B 31/00C]
  277     ..With metallic ball bearings and metallic roller bearings [G04B
             31/00C2]
  278     ..Metal step-bearings [G04B 31/00C3]
  279     .Plastic bearings [G04B 31/00D]
  280     .Manufacture and mounting processes [G04B 31/00S]
  281     .Lubrication (self-lubricated bearings in plastics subclass 279;
            lubrication of the escape wheel subclass 102; lubrication of
            synchronous clockworks subclass 563; lubrication devices and
            lubricant containers subclass 746) [G04B 31/00T]
  282     .Shock damping bearings (shock damping in the case subclasses
            309, 310, and 313) [G04B 31/02]
  284     CALIBERS (disposition of components of the automatic winding
           mechanism in relation to the clockwork subclass 53) [G04B
           33/00]
  285     .Circular calibers [G04B 33/02]
  286     .Noncircular calibers [G04B 33/04]
  287     .Of extremely flat shape [G04B 33/06]
  288     .In which the gear train is arranged in different planes, e.g.,
            parallel or inclined to each other, etc. (subclass 289 takes
            precedence) (cases for special purposes, e.g., button or ring
            clockwork, etc. subclass 342) [G04B 33/08]
  289     .With second hand arranged in the center of the dial [G04B
            33/10]
  290     .For extremely long running times [G04B 33/12]
  291     .Calibers of which the mainsprings or barrels are easily
            removable (main- springs subclass 10; barrels, arbors subclass
            12; normal or mechanical winding subclass 23) [G04B 33/14]
  292     .With arrangements affording protection of the clockwork against
            damage as a consequence of a rupture of the mainspring
            (protection devices against the rupture of the mainspring or
            its over-tension, placed in the spring-drum or fixed on it
            against rupture if the mainspring is wound too far subclass 16)
            [G04B 33/16]
  293     ADJUSTING THE GEAR TRAIN, E.G., THE BACKLASH OR THE ARBORS,
           DEPTH OF MESHING OF THE GEARS, ETC. (adjusting the escapement
           subclass 101) [G04B 35/00]
  294     CASES (cases with a special shape subclass 390; ornamentation of
           the case subclass 395; cartridges A45C 11/00-11/38) [G04B
           37/00]
  295     .For pocket watches and wrist watches [G04B 37/00B]
  296     ..With folding cover or folding bottom (hinge without spring)
             [G04B 37/00B2]
  297     ..With cover or bottom with a spring (savonette), bench watch
             opening or closing with spring action subclass 318) [G04B
             37/00B3]
  298     ..With cover or bottom which can slide or turn (without a spring
             action) [G04B 37/00B4]
  299     ..The cover or the bottom can slide or turn with a spring action
             [G04B 37/00B5]
  300     ..With cover or protection device which can be completely
             removed, either by lifting off or by sliding, or by turning
             (protection covers, protection cases also against humidity)
             [G04B 37/00B6]
  301     ..For shaped watches [G04B 37/008B]
  302     .For wall clocks and balances (feet and stands for clocks
            subclass 357) [G04B 37/00C]
  303     .With means to enhance sound transmission (sonorous means for
            chimes subclass 225; for alarm clocks subclass 237; clockworks
            combined with musical devices subclass 405) [G04B 37/00J]
  304     .For more than one clockwork [G04B 37/00K]
  305     .For clock parts, e.g., for the escapement or the electric
            motor, etc. (protection cases and air tight vacuum means for
            clockwork parts subclass 338) [G04B 37/00M]
  306     .Evacuated cases; cases filled with gas or liquids; cases
            containing substances for absorbing or binding moisture or dust
            [G04B 37/02]
  307     .Mounting the clockwork in the cases; shock absorbing mountings
            [G04B 37/04]
  308     ..Fixed mounting of pocket watches and wrist watches [G04B
             37/04B]
  309     ...With shock damping means not related to the winding stem
              (shock damping bearings subclass 282; shock protection
              subclass 378) [G04B 37/04B2]
  310     ...With shock damping means including the winding stem (shock
              damping bearings subclass 282; shock protection subclass 382)
              [G04B 37/04B3]
  311     ...For shaped watches [G04B 37/04B5]
  312     ..Fixed mounting relating to wall clocks and pendulums [G04B
             37/04C]
  313     ...With shock damping means (shock damping bearings subclass
              282; protection against shocks with shields subclass 378)
              [G04B 37/04C2]
  314     ..Mounting relative to pocket and wrist watches allowing a
             rocking movement about a hinge or any other movement (covers
             and protective cases which may be removed completely either by
             direct removal or by sliding or turning subclass 300;
             ornamentation and interchangeable parts of cases, modifying
             the external appearance of the clockwork subclass 373) [G04B
             37/04D]
  315     ...Clockwork movements coming out for allowing time reading or
              winding (with springs) [G04B 37/04D2]
  316     ...Clockwork movements which come out by spring action for time
              reading and winding [G04B 37/04D3]
  317     ...Free standing watches (montre chevalet) [G04B 37/04D4]
  318     ...Free standing watches where the clockwork, on opening or
              closing the case, is ejected or returned by spring action, or
              possibly with a spring for opening or closing the case (cases
              with spring action cover subclass 310; wrist watches or
              pocket watches which can be used as free standing watches
              with the aid of certain parts of the case subclass 358) [G04B
              37/04D5]
  319     ...Rocking mounting of the clockwork [G04B 37/04D6]
  320     ..Mountings relative to wall-clockworks and to pendulums
             allowing certain movements [G04B 37/04F]
  321     ..Mountings for sound-damping [G04B 37/04G]
  322     .Forming the passage for the winding stem through the case;
            divided winding stems (watertight protection means for the
            winding stem subclass 339; fixing the knob to the case subclass
            356; winding and setting the hands with the winding stem with
            clutch wheel subclass 258, with rocking bar subclass 260) [G04B
            37/06]
  323     ..Means for preventing the winding stem from being pulled out
             too far [G04B 37/06B]
  324     ...By a tirette [G04B 37/06B2]
  325     ..Divided stem (tige brisee) (normal winding stems subclass 31)
             [G04B 37/06D]
  326     ..Stem passage not being part of the layout of the clockwork
             [G04B 37/06F]
  327     .Hermetic sealing of openings, joints, passages, or slits
            (covers or protecting devices which can be directly removed, or
            by sliding or turning subclass 300; hermetic sealing of watch
            or crystal with special pieces subclass 373;
            hermetically-sealed electrical switches H01H 23/06) [G04B
            37/08]
  328     ..Complete encasings for wrist or pocket watches also comprising
             means for hermetic sealing of the winding stem and crown
             (hermetic sealing of the stem or crown subclass 339) [G04B
             37/08B]
  329     ...Without special hermetic sealing pieces [G04B 37/08B2]
  330     ...For shaped watches [G04B 37/08B5]
  331     ..Complete encasings for wrist or pocket watches without means
             for hermetic sealing of winding stem or crown [G04B 37/08C]
  332     ...Without special hermetic sealing pieces [G04B 37/08C2]
  333     ...For shaped watches [G04B 37/08C5]
  334     ..Of the bottom of wrist or pocket watches [G04B 37/08K]
  335     ...Without special hermetic sealing pieces [G04B 37/08K2]
  336     ...For shaped watches [G04B 37/08K5]
  337     ..Protection of wrist or pocket watch cases against dust [G04B
             37/08M]
  338     ..Means affording hermetic sealing inside the case, e.g.,
             protective case for the clockwork against dust, the escapement
             being in a hermetically sealed case, etc. (case for watch
             pieces subclass 305; synchronous motor lubrication subclass
             563) [G04B 37/08P]
  339     ..Of winding stems (construction of winding crowns subclass 24;
             in combination with hermetic sealing subclass 328) [G04B
             37/10]
  340     ...By screwing the crown onto the case [G04B 37/10D]
  341     ...Of pushbuttons (winding up by pushbutton subclass 24; crown
              in the form of pushbutton subclass 34; construction of
              pushbuttons subclass 35) [G04B 37/10F]
  342     .Cases for special purposes, e.g., watch combined with ring,
            watch combined with button, etc. (see note attached to this
            subclass)
  343     ..Used as a mirror [G04B 37/12B]
  344     ..Allowing note taking (cases with means for holding sheets of
             note-paper subclass 345; adjustable guide marks or pointers
             for indicating determined points of time subclass 211;
             changeable indicators subclass 393) [G04B 37/12C]
  345     ..Used as containers or cartridges [G04B 37/12D]
  346     .Suspending devices, supports, or stands for timepieces insofar
            as they form part of the case (wrist watch straps, fastening
            means therefor A44C 5/00) [G04B 37/14]
  347     ..Means for fixing the clockwork pieces on other objects
             (possibly on walls) [G04B 37/14B]
  348     ...Separable means [G04B 37/14B2]
  349     ...Means which can be adjusted as a function of the clockwork
              piece [G04B 37/14B3]
  350     ...Means whereby the clockwork piece may move with regard to its
              suspension device [G04B 37/14B4]
  351     ...Fixation on items of clothing, e.g., with clips, etc. (button
              watches subclass 342; brooches A44C 1/00; other similar
              fixation means, in general A45F 5/02) [G04B 37/14B5]
  352     ...Fixation on flat support, e.g., on dashboard, etc. [G04B
              37/14B6]
  353     ..Means for suspending pocket, or other types of watches, e.g.,
             on small chains, etc. (bracelet fixings subclass 359) [G04B
             37/14C]
  354     ...Construction and manufacture of case crown and clip [G04B
              37/14C2]
  355     ...With the case crown and a clip [G04B 37/14C3]
  356     ...Fixing the case crown onto the case [G04B 37/14C4]
  357     ..Supports and feet for supporting the clockwork (cases for
             standing clockworks in general subclass 302) [G04B 37/14D]
  358     ...Formed by parts of the case (standing watches by bringing
              them out of the case or purse subclass 318) [G04B 37/14D2]
  359     ..Arrangements for fixing to a bracelet (building watches into
             bracelets montre marquise subclass 342; arrangements for
             hanging pocket or other watches on chains subclass 353) [G04B
             37/14F]
  360     ...By means of a feather spring [G04B 37/14F2]
  361     ..Fastening the case to the bracelet [G04B 37/16]
  362     .For pocket or wrist watches (subclasses 306-361 take
            precedence) [G04B 37/18]
  363     ..With hinged covers or backs [G04B 37/20]
  364     .Materials or processes of manufacturing pocket watch or wrist
            watch cases (machines or tools for the manufacture of clockwork
            cases subclasses 709, 710, and 734; decoration or tools
            therefor subclass 391) [G04B 37/22]
  365     ..Wear resistant cases [G04G 37/22D]
  366     ..Nonmetallic cases (subclass 365 takes precedence) [G04B
             37/22K]
  367     ...Coated with a metallic layer [G04B 37/22K2]
  368     WATCH CRYSTALS; FASTENING OR SEALING OF CRYSTALS; CLOCK GLASSES
           [G04B 39/00]
  369     .Made of glass [G04B 39/00B]
  370     .From a material other than glass [G04B 39/00C]
  371     ..Out of wear resistant material, e.g., sapphire, etc. [G04B
             39/00C2]
  372     .With means for magnified reading (combinations with a
            magnifying glass in general subclass 398) [G04B 39/00G]
  373     .Arrangements for sealing (sealing the case and winding stem
            subclass 327) [G04B 39/00K]
  374     ..Without special sealing parts [G04B 39/00K2]
  375     LOCKING OR HOLDING DEVICES FOR PENDULUMS, CHIMES, OR THE LIKE,
           FOR USE DURING TRANSPORT [G04B 41/00]
  376     .Holding and locking of the pendulum only [G04B 41/00B]
  377     PROTECTING CLOCKWORKS BY SHIELDS OR OTHER MEANS AGAINST EXTERNAL
           INFLUENCES, E.G., MAGNETIC FIELDS, ETC. (demagnetizing apparatus
           subclass 783) [G04B 43/00]
  378     .Component shock protection arrangements (shock damping bearings
            subclass 282; shock-damping in the case subclass 307;
            protection of the pendulum or chime during transport subclass
            375) [G04B 43/00B]
  379     .Protection against temperature influences [G04B 43/00C]
  380     .Antimagnetic alloys (antimagnetic alloys with temperature
            compensation subclass 129; apparatus for antimagnetizing
            subclass 783; alloys in general C22C) [G04B 43/00R]