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: 313
 Class Title: ELECTRIC LAMP AND DISCHARGE DEVICES

Subclass  Subclass
Number    Title

  1       PLURAL UNIT
  2.1     .Cathode ray tube
  3       .Inter-electrode connection
  5       .Control electrode unit
  6       ..Plural control electrode units
  7       WITH EVACUATING PUMP
  8       ARC AND SEPARATE INCANDESCENT BODY
  9       FILAMENT AND SEPARATE INCANDESCENT BODY
  10      WITH TEMPERATURE INDICATOR
  11      WITH TEMPERATURE MODIFIER
  11.5    .Spark plug type
  12      .Recirculating systems
  13      .Having control means for the temperature modifier
  14      .Pyroelectric type device
  15      .Electric heater
  16      ..For liquid electrode
  17      .Double wall, jacket or casing for envelope
  18      ..For conductive envelope devices
  19      ...With plural electrode temperature modifying
  20      ...With internal temperature modifying baffle
  21      ...Cylindrical electrode type envelope
  22      ..Fluid circulation type
  23      ...Plural electrode temperature modifying
  24      ...Flow directing means in casing
  25      ..Sealed casing for envelope
  26      ...Integral double wall type of envelope
  27      ..Heat conserving or insulating type
  28      ..Plural electrode temperature modifying
  29      .For liquid electrode
  30      .Hollow electrode or lead
  31      ..Tubular coil electrode
  32      ..Closed duct type (e.g., for liquid)
  33      .Envelope with internal temperature modifying baffle
  34      .Envelope with condensing chamber or surface
  35      .Using liquids or fluid flow directing means
  36      ..Jacket or casing
  37      .For filament or heated cathode
  38      ..Hollow shield around filament or cathode
  39      .For electrode within an envelope
  40      ..Radiating type surface
  41      ...Material, roughened surface
  42      .Mounted on lead-in or electrode support
  43      .For lead-in-seal or stem protection
  44      .For envelope wall
  45      .Radiating type surface
  46      .Having heat conducting path
  47      .Heat conserving or insulating type
  48      WITH HANDLE
  49      WITH DETACHABLE ELECTRICAL CONNECTOR OR SUPPORT
  50      .Resilient or vibration damping
  51      .Electrical connector
  52      CONVERTIBLEE
  53      FLAME OR EXPLOSION TYPE
  54      WITH RADIOACTIVE MATERIAL
  62      CYCLOTRONS
  359.1   WITH POSITIVE OR NEGATIVE ION ACCELERATION
  360.1   .Plural apertured electrodes
  361.1   .Means for deflecting or focusing
  362.1   .Supplying ionizable material (e.g., gas or vapor)
  363.1   .Extraction or target electrode
  364     CATHODE RAY TUBE
  365     .Image pickup tube
  366     ..Semiconductor depletion layer type
  367     ...Mosaic
  368     ....Plural junction
  369     ..Mechanically responsive (e.g., sound)
  370     ..Particular transparent conductor
  371     ..With optical element
  372     ...Light conducting fiber or rod
  373     ..With photoemissive cathode
  374     ...Mosaic
  375     ...Plural photoemissive layers
  376     ...With target
  377     ....Secondary electron emissive
  378     ....Support
  379     ...Secondary electron emissive
  380     ...Special ray sensitive
  381     ...Image dissector
  382     ...Focusing
  383     ...Electrode or electrode support
  384     ..Photoconductive
  385     ...Layer composition
  386     ....Plural layers
  387     ...Secondary electron emissive
  388     ...Special ray sensitive
  389     ...Focusing
  390     ...Electrode or electrode support
  391     .Storage
  392     ..Depletion layer type storage element
  393     ..Double ended
  394     ..Continuous storage element
  395     ..Foraminous storage element
  396     ..With non-beaming gun
  397     ..With display
  398     ...Integral or contiguous storage and display element
  399     .Secondary emissive electrode
  400     ..With display
  401     ..Monoscope
  402     .Shadow mask, support or shield
  403     ..Non-circular aperture
  404     ..With resilient support
  405     ...Bimetallic
  406     ...With studs
  407     ..With frame
  408     ..With screen
  409     .Plural beam generating or control
  410     ..With character forming electrode
  411     ..One cathode source of plural beams
  412     ..Convergence
  413     ..With deflectionn
  414     ..With focusing and accelerating electrodes
  415     ..With screen
  416     ...Including non-planar elements
  417     ..With electrode support
  418     .Signal translating output electrode
  419     ..Plural
  420     .Electron permeable window
  421     .Beam deflecting means
  422     ..Flat tube type
  423     ..Electron reflecting mirror
  424     ..Ion trap
  425     ..Centering
  426     ..Plural
  427     ...Three or more
  428     ....With convergence
  429     ....Field varied near screen (i.e., post deflection)
  430     .....By external element
  431     ....Plural magnetic
  432     ...Electrostatic
  433     ....Magnetic
  434     ....Nonparallel or asymmetric
  435     .....Nonplanar
  436     ....Enclosed or overlapping
  437     ....With distortion correction
  438     ....With support
  439     ..Electrostatic
  440     ..With yoke
  441     .Ray generating or control
  442     ..With magnetic focus
  443     ...Internal
  444     ..Sandwiched electrodes
  445     ..Canted electrode (i.e., ion trap)
  446     ..Including cathode assembly
  447     ...With control grid adjacent cathode
  448     ....With anode
  449     .....With additional electrode
  450     ......With coating or spiral electrode
  451     ......With support
  452     ...With focus electrode adjacent cathode
  453     ....Noncircular beam type
  454     ....Nonplanar cathode
  455     .....Brillouin beam type
  456     ..With support for electrode
  457     ...Parallel rod type
  458     ..Electrode
  459     ...Movable
  460     ...Plural
  461     .Screen
  462     ..Scale or graticule
  463     ..Electroluminescent
  464     ..Incandescent type
  465     ..Light valve type
  466     ..Nonluminescent layer
  467     ..Phosphor composition
  468     ...Rare earth
  469     ...Embedded in face plate
  470     ..Mosaic
  471     ...Beam indexing elementt
  472     ...Dot type
  473     ..Plural layer type
  474     ..With optics
  475     ...Light conducting fiber or rod
  476     ..Support
  477 R   .Envelope
  478     ..With external optical element
  479     ..Coating or shielding
  480     ..Composition
  481     ..With getter or gas
  482     ..Support for electrode or envelope
  477 HC  ..With details of high-voltage connector
  93      GEIGER-MUELLER TYPE
  523     PHOTOSENSITIVE
  524     .With optical device
  525     .Having phosphor screen
  526     ..Proximity focus type
  527     ..Photocathode responsive to phosphor
  528     ..With electron multiplier
  529     ..With control electrode
  530     ..With photocathode on envelope
  531     .Having plural photosensitive electrodes
  532     .Photomultiplier
  533     ..Having plural dynodes
  534     ...Channel or circular type
  535     ...Venetian blind type
  536     ...Box or linear type
  537     .Having a control electrode
  538     .Gas phototube
  539     .Responsive to ultraviolet radiation
  540     .Having plural anodes or cathodes
  541     .Having photocathode on tube wall
  542     .Photocathode
  543     ..With phosphor
  544     ..With envelope
  103 R   .Secondary emitter type (e.g., electron multiplier)
  103 CM  ..Channel multiplier
  104     .Plural secondary emissive electrodes
  105 R   ..Three or more
  105 CM  ...Channel multiplier
  106     SECONDARY EMISSION PREVENTION
  107     .Nonemissive material
  107.5   VARIABLE WIDTH ELECTRON STREAM (E.G., MAGIC EYE)
  483     WITH LUMINESCENT SOLID OR LIQUID MATERIAL
  484     .With gaseous discharge medium
  485     ..Phosphor on envelope wall
  486     ...Including particular phosphor
  487     ....Plural
  488     ...Aperture-type tube
  489     ...With protective coating or filter
  490     ...With amalgam
  491     ...Electrode structure or material
  492     ....With shield or additional electrode
  493     ...Envelope structure or material
  494     .Coplanar electrodes
  495     .Vacuum-type tube
  496     ..Phosphor on anode segments
  497     ...With accelerating or control electrodee
  498     .Solid-state type
  499     ..Semiconductor depletion layer type
  500     ...Matrix or array
  501     ...Light conversion
  502     ..With phosphor embedding material
  503     ..With particular phosphor or electrode material
  504     ...Organic phosphor
  505     ..With electrode matrix
  506     ..Plural layers
  507     ...With photosensitive layer
  508     ...With piezoelectric layer
  509     ...With dielectric layer
  510     ..With character display (e.g., digits or letters)
  511     ..Flexible
  512     ..With envelope or encapsulation
  513     WITH CHARACTER DISPLAY (E.G., DIGITS OR LETTERS)
  514     .Gaseous discharge medium
  515     ..With character-shaped envelope
  516     ..Electrode with character-shaped aperture
  517     ..With electrode display segments
  518     ...With dielectric layer or coating
  519     ...Multiple display (i.e., side-by-side)
  520     ..With integrant display electrode
  521     ...Stacked electrodes (i.e., superimposed)
  522     .Incandescent filament display
  110     WITH OPTICAL DEVICE OR SPECIAL RAY TRANSMISSIVE ENVELOPE
  111     .Plural diverse optical devices
  112     .Polarizer or special ray transmission (e.g., filter)
  113     .Reflector
  114     ..Plural reflectors
  115     ..Multiple filament lamps
  116     .Light diffusing
  117     .Light valve or obscuring means
  118     SPARK PLUGS
  119     .Sealing-off valve for electrode chamber
  120     .With fluid feed or air vent
  121     .Reversible (e.g., part)
  122     .Removable electrode on shell
  123     .Plural series gaps
  124     ..Intensifier in center electrode lead-in
  125     .Movable electrode (e.g., for cleaning, adjustable)
  126     ..Automatically moved (e.g., engine vibration)
  127     .Cleaner (e.g., movable scraper)
  128     .Plural insulated electrodes with individual lead-in
  129     .With transparent part
  130     .Non-conducting material in or adjacent gap (e.g., restricts
            spark)
  131 R   ..Non-shortest line spark and surface spark type
  131 A   ...Spark plugs with semiconductive material at the gap
  132     .Capillary groove or space
  133     .Ball electrode
  134     .With radio shielding
  135     .With particular connector structure
  136     .Plural part center electrode lead-in
  137     .Plural part insulating means
  138     .Electrodes are pure figures of revolution about plug axis
  139     .Ring or disk electrode (e.g., sector)
  140     .Plural parallel gaps (e.g., main and standby, serratedd
            electrode)
  141     .Particular electrode structure or spacing
  142     ..Gap on and along axis
  143     .Shaped electrode chamber, insulator end, shell skirt, baffle or
            gas directing means
  144     .With specific joint structure
  145     ..Between center electrode and insulator
  146     WITH MOVABLE ELECTRODE OR SHIELD
  147     .Plural
  148     .Movable envelope wall
  149     .Rotary
  150     .Movable liquid electrode
  151     .Thermal actuator
  152     .Magnetic actuator
  153     WITH MAGNETIC DEVICE
  154     .For generating plural fields
  155     .Electrode generates field
  156     .Field transverse to discharge
  157     ..Concentrically arranged electrode with axial field
  158     ...Pole pieces facing electrode ends
  159     ....Electrode support penetrates pole piece
  160     .With envelope
  161     ..Gas or vapor type
  162     ..Three or more electrodes
  163     LIQUID ELECTRODE DISCHARGE DEVICES
  164     .Shock absorber for liquid
  165     .Plural liquid electrodes
  166     .Starting band or external electrode
  167     .Apertured electrode (e.g., grid) interposed in discharge space
  168     .Plural anodes in separate envelope chambers
  169     .Plural anodes with anode arc shield
  170     .Auxiliary starting or holding electrode
  171     ..Immersed in liquid electrode
  172     .Liquid in contact with plural electrodes
  173     .Cathode spot anchoring
  545     HAVING VALVE WITH GETTER, GAS/VAPOR GENERATING MATERIAL OR
           PRESSURE CONTROL MEANS
  546     WITH FRANGIBLE CAPSULE CONTAINING GETTER, GAS OR VAPOR
           GENERATING MATERIAL
  547     HAVING HEATING MEANS TO CONTROL GAS/VAPOR,GAS OR VAPOR
           GENERATING MEANS OR GETTER MEANS
  548     .Incandescent lamp gettering
  549     .Discharge device gettering
  550     .Vapor generating
  551     .Gas generating
  552     HAVING PRESSURE CONTROL OF GAS OR VAPOR
  553     WITH GETTER
  554     .Plural
  555     ..Diverse
  556     .And vapor generator
  557     .Incandescent lamp type
  558     .Electrode includes getter, supports getter or is connected to
            getter
  559     .Mounted on electrode support
  560     .With structure to direct or shield from getter
  561     .With contained getter
  562     .Gas or vapor device type
  563     HAVING GAS GENERATING MATERIALL
  564     HAVING VAPOR GENERATING MATERIAL
  565     .Mercury vapor material
  566     .Electrode or electrode support includes material
  567     WITH GAS OR VAPOR
  568     .Having a particular total or partial pressure
  569     ..Incandescent lamp
  570     ..Greater than 760 torr
  571     ...Includes mercury in gas or vapor fill
  572     ..One torr thru 760 torr
  573     ...Having specified envelope detail
  574     ...With electrode structure
  575     ....Composite
  576     .....With rare gas
  577     ..Less than .1 torr
  578     .Incandescent filament lamp
  579     ..Tungsten-Halogen cycle lamp
  580     ..With filter, barrier, screen, shield, electric terminal or
             fuse
  581     .Three or more electrode discharge device
  582     ..Multiple gaseous discharge display panel
  583     ...Having electric terminal detail
  584     ...Having intersecting electrode sets
  585     ....With three sets of electrodes
  586     ....With dielectric member
  587     .....And additional layer on member
  588     ..Amplifier, cathanode, or ionic cathode
  589     ..Counter, indicator or switching tube
  590     ..With shield to prevent discharge between electrodes
  591     ..Having cathode heater
  592     ...With control electrode
  593     ....Plural
  594     ..Start electrode exterior to envelope
  595     ..Internal start or control electrode between discharge
             electrodes
  596     ...Strip electrode
  597     ...Interposed apertured electrode
  598     ....Mean free-path spacing
  599     ....Plural serial apertured electrodes
  600     ...Two interposed electrodes
  601     ..Start electrode not in main discharge path
  602     ...Trigger electrode concentric with discharge electrode
  603     ...Triggerable vacuum gap device
  604     ..Plural serial electrodes
  605     .Mean free-path spacing of envelope portions or content parts
  606     ..Electrode spacing related to mean free path length
  607     .Having electrode exterior to envelope
  608     .Single electrode type discharge device, or including
            particulate material
  609     .Having baffle, partition or constricting means affecting
            discharge
  610     ..Partition
  611     ..Constriction means
  612     ...Substantially full length of discharge path
  613     .Having electrode shield
  614     ..With anode shield
  615     ..Crater electrode with shield
  616     ..With positive ion or cathode shield
  617     .Having spur electrodee
  618     .Having hollow cathode
  619     .Negative or cathode glow device
  620     .Having specified electrode spacing
  621     .Having electrodes with geometrical relationship
  622     .Discharge device with diverse electrodes
  623     .Having electrode lead-in or electrode support sealed to
            envelope
  624     ..End cap seal
  625     ..End plug seal
  626     .Having lead-in shield
  627     .Having electrode heated by space discharge current
  628     ..Coil type
  629     .Having resistance heated cathode
  630     .Having electrode of alkali, alkaline or rare earth material
  631     .Having particular electrode structure
  632     ..Cathode or anode
  633     .Electrode composition
  634     .Envelope with particular structure
  635     ..Envelope layer or coating
  636     .Envelope composition
  637     .With particular gas or vapor
  638     ..With metal vapor
  639     ...Mercury vapor
  640     ....And rare earth metal
  641     .....With rare gas
  642     ....And rare gas
  643     ..One or more rare gases
  230     DISCHARGE DEVICE WITH POSITIVE ION EMITTER
  231.01  FLUENT MATERIAL SUPPLY OR FLOW DIRECTING MEANS
  231.11  .Lightning or surge arrester
  231.21  ..Expulsion type
  231.31  .Plasma
  231.41  ..Arc discharge type
  231.51  ...With tangential fluent supply
  231.61  ...Electromagnetic output (i.e., light)
  231.71  .Arc discharge lamp or radiation source
  232     ELECTRODES IMMERSED IN LIQUID
  233     INVOLVING PARTICULAR DEGREE OF VACUUM
  234     ELECTRODE EXTERIOR TO ENVELOPE
  235     IMPERFECT ELECTRICAL CONTACT BETWEEN ELECTRODES
  236     STAND-BY ELECTRODE TYPE (WITH SPARE ELECTRODE)
  237     WITH ELECTRODE REPLACEMENT MEANS OR DEMOUNTABLE
  238     WITH SUPPORT AND/OR SPACING STRUCTURE FOR ELECTRODE AND/OR
           SHIELD
  239     .For shield
  240     ..Shield supported by electrode, electrode support or spacer
  241     ...Extending across ends of plural discharge device electrodes
  242     ..Shield supported by or forming part of envelope stem
  243     .For plural electrodes of discharge device
  244     ..Envelope supports or forms electrode
  245     ...Plural discharge spaces formed by three or more electrodes
  246     ...Electrode forms part of envelope
  247     ....Hollow electrode with another electrode supported by end
               structure
  248     ...Conductive envelope supports plural electrodes
  249     ...Elongated envelope with electrodes spaced along length
  250     ....With spacer between electrodes or electrode supports
  251     ....Plural electrodes supported along the length of a wire, rodd
               or tube
  252     ...Support structure supported by the envelope
  253     ....At spaced or opposed portions of envelope
  254     .....At three or more portions of envelope
  255     .....Same electrode supported by spaced or opposed portions
  256     ....Insulating or ceramic support rod or tube
  257     ....With spacer between electrode or electrode supports
  258     .....Spacer between envelope and support or electrode
  259     .....Insulating coating forms spacer
  260     .....Plate or bar extending across ends of electrodes
  261     ......Plates or bars at opposed ends of electrodes
  262     .....Ceramic bead for joining parts
  263     ....With indirectly heated cathode
  264     ....With U-shaped, V-shaped or plural sections filament
  265     ....Apertured electrode (e.g., grid) supported between two other
               electrodes
  266     ....Stem or envelope structure
  267     ..Plural rod electrodes
  268     ..Insulating spacer between discharge electrodes
  269     .With vibration damping device
  270     .For indirectly heated cathode
  271     .For filament
  272     ..Plural filaments
  273     ..Plural section filament
  274     ..Supports supported by opposed parts of envelope
  275     ..Insulator supports filament
  276     ...Conductive member supports insulator
  277     ...Insulating standard supports filament brackets or anchors
  278     ..Tension device for filament
  279     ..Support intermediate of filament ends
  281     .Support mounted in or around aperture in conductive wall or
            plate
  282     .Conductive envelope supports electrode
  283     .Electrode supported by envelope
  284     ..Electrode supporting member supported by envelope
  285     ...Supporting wire, rod or tube supported by envelope
  286     ....At spaced or opposed portions of envelope
  287     ....Support collar surrounding envelope stem
  288     ....Spacer between envelope and support or electrode
  289     ....Ceramic or insulating support
  290     ....Stem or envelope structure
  291     ..Electrode formed by coating on envelope
  292     .Supporting and/or spacing elements
  293     DISCHARGING DEVICES WITH APERTURED ELECTRODE (E.G., GRID)
           INTERPOSED BETWEEN TWO ELECTRODES
  294     .Non-uniformly spaced from another electrode
  295     .Interposed electrode with non-uniform mesh area (e.g., variable
            mu)
  296     .Plural interposed apertured electrodes
  297     ..Serially arranged
  298     ...Plural inter-electrode discharge spaces
  299     ...Aligned apertures (e.g., beam power)
  300     ...Three or more serially arranged
  301     ..Plural inter-electrode discharge spaces
  302     .Plural cathodes
  303     .Three or more non-emissive electrodes (e.g., plural anodes)
  304     .Plural-parallel-section cathode with electrode surrounding each
            sectionn
  305     DISCHARGE HEATED ANODE TYPE (E.G., CATHANODE)
  306     DISCHARGE DEVICES HAVING THREE OR MORE ELECTRODES
  307     .Four or more electrodes
  308     .Discharge control electrode
  309     DISCHARGE DEVICES HAVING A MULTIPOINTED OR SERRATED EDGE
           ELECTRODE
  310     DISCHARGE DEVICES HAVING A THERMIONIC OR EMISSIVE CATHODE
  311     DISCHARGE DEVICES HAVING AN ELECTRODE OF PARTICULAR MATERIAL
  312     WITH CASING OF JACKET FOR ENVELOPE
  313     WITH ELECTRICAL SHIELD OR STATIC CHARGE DISTRIBUTION MEANS
  314     NON-REPAIRABLE
  315     INCANDESCENT LAMPS
  316     .Plural filaments or glowers
  317     WITH ENVELOPE
  318     .With base or connector
  323     COMBINED
  324     .With casing or jacket
  325     MISCELLANEOUS DISCHARGE DEVICES
  326     ELECTRODE AND SHIELD STRUCTURES
  327     .Self-baking electrodes (e.g., Soederberg)
  328     .Liquid electrode container
  329     .Mosaic electrodes
  331     .With lead wire or connector
  332     ..Inserted section or material
  333     ..Filament or wire shield or electrode
  334     ..Non-metallic electrode or shield
  335     ..Rod electrode or shield
  336     .Point source cathodes
  337     .Indirectly heated cathodes
  338     ..Plural separate cathode sections
  339     ..Interior emissive hollow cathodes
  340     ..Insulating material between heater and cathode
  341     .Filament or resistance heated electrodes
  342     ..Non-inductive
  343     ..Plural wires or strands
  344     ..Coiled
  345     ..Coated
  346 R   .Cathodes containing and/or coated with electron emissive
            material
  346 DC  ..Dispensator cathode
  347     .Incandescible upon electron bombardment
  348     .Foraminous electrodes (e.g., grids) or shields
  349     ..Non-uniform mesh area or non-straight electrodes or
             non-uniform cross sectional area electrodes
  350     ..Rods, wire or mesh supported on rod or post
  351     .Multi-pointed or serrated edge electrode
  352     .Composite electrodes or shields
  353     ..With non-discharge-sustaining portion
  354     ..Cored rod
  355     ..Coated or laminated
  356     .Tubular or hollow sleeve
  357     .Rods
  358     MISCELLANEOUS (E.G., ELECTROLYTIC LIGHT SOURCE)
  *       ******************************
  *       DIGEST
  *       ******************************
  DIG 7   Bombardment induced conductivity