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.


Enter a class/subclass code here to get a list of patent titles. Use any of the following forms:
363-131 121-55A 14-.5
that is, no embedded spaces, class and subclass seperated by a dash, and any subclass letters capitalized. Currently Design Patent titles (those in the classes of the form Dxx.yy) are not retreivable.

Enter class/subclass code:


Class Number: 473
 Class Title: AMUSEMENT DEVICES: GAMES

Subclass  Subclass
Number    Title

  1       BILLIARDS OR POOL
  2       .Practice device or device to aid in aiming cue or cue ball
            during shots (e.g., to assist in bank shots, etc.)
  3       .Adapted to be played on floor, ground, or court
  4       .Table or gameboard
  5       ..With mechanical ball projector
  6       ..Convertible between billiard and pool (i.e., between pocketed
             and nonpocketed)
  7       ...Using pocket blocking device positionable only in vicinity of
              pocket (e.g., pocket plug, rail piece, etc.)
  8       ...Using interchangeable, shiftable, reversible, or removable
              cushion rails
  9       ...Invertible playing surface
  10      ..Convertible to another type of furniture or to different type
             of game playing surface
  11      ...Rail vertically raised or lowered relative to bed
  12      ...Vertically movable playing surface
  13      ...Detachable or hinged rail
  14      ...Convertible to different type of game playing surface
  15      ..Readily foldable or collapsible
  16      ..Rotatable playing surface
  17      ..Having pocket or other target with ball actuated indicator
  18      ..Playing surface having unconventional peripheral configuration
             defined by the carom rails
  19      ..Attachment or accessory providing plural pockets or other
             targets located at only one end of playing surface
  20      ..Playing surface having unconventional number, entrance
             opening, or arrange ment of pockets or having additional or
             shiftable carom or bumper means thereon
  21      ..Table attached ball rack
  22      ...With conveying chutes interconnecting pockets with ball rack
  23      ....With means to distinguish or identify each ball pocketed
  24      ....Coin controlled
  25      ....With means to separate or segregate store balls pocketed by
               each player or team
  26      ....Ball rack also constitutes or includes spotting rack
  27      ..With means to prevent unauthorized use of table or to limit
             playing time or number of games played
  28      ..Pocket structure
  29      ..Playing surface structure (i.e., bed structure)
  30      ...Device for securing playing surface covering (e.g., for
              securing billiard table cloth, etc.)
  31      ..Rail structure
  32      ...Cushioned portion thereof
  33      ..Frame or leg structure
  34      ..Dust cover therefor
  35      .Cue chalker
  36      ..Chalk holder
  37      ...With means for automatically applying chalk
  38      ...Flexibly tethered
  39      ...Secured to generally fixed support
  40      .Ball spotting rackk
  41      ..With ball carrying or storage means
  42      .Cue rest
  43      ..Hand attached or engaged by hand in vicinity of cue supporting
             portion
  44      .Cue
  45      ..Mechanically operated
  46      ..Disparate attachment therefor or convertible to or combined
             with disparate device
  47      ..With user adjustable or changeable weight
  48      ..Axially telescopic
  49      ..Tip or tip fastener therefor
  50      ...Clamp or press
  51      ...Striking portion formed of material other than leather
  52      .Ball
  53      ..Having characteristic enabling ball to be mechanically
             separated from other balls
  54      BOWLING
  55      .Practice or assist device
  56      ..For handicapped person
  57      ..Selective pin setter
  58      ..Ball path indicator
  59      ..Bowler worn or carried
  60      ...Including means for positive engagement with ball
  61      ...Finger support or guide
  62      ...Wrist support or guide
  63      ...Arm or elbow support or guide
  64      .Handling of pin or pin representation
  65      ..Including electrical cycle sequence control
  66      ..Including means for conserving energy
  67      ..With indicator
  68      ...Tethered or pivotal pin
  69      ...Pinfall
  70      ....Score
  71      .....Including electromechanical calculating means
  72      ...Foul
  73      ..Pin setter
  74      ...Rollable, translatable, or simulative target
  75      ...Pivotal pin
  76      ....Pivot substantially at base of pin
  77      ....With spring detent
  78      ...Tethered pin
  79      ....Tethered at base of pin
  80      .....Including reset lever or crank
  81      ....Including means to remove dead wood
  82      .....Pin biased away from bed
  83      ...Manually loadable
  84      ....Including means to upright pin
  85      ...Magnetic force acts on pin
  86      ...For alternative pin sets
  87      ...Including means to lift live wood
  88      ....With compensation for pin offset
  89      ...Including distributor
  90      ....Including means to convey pin to distributor
  91      .....Including elevator
  92      ..With compensation for pin offset
  93      ..Pit cushion or actuator therefor
  94      ..Pin guide or conveyor
  95      ...Distributorr
  96      ....Pivotable chute or conveyor
  97      ...Elevator
  98      ....With ball separator
  99      ...And ball handling
  100     ...Sweep
  101     ..Pin sensor
  102     ..Pin spot
  103     ...Including means for positive pin alignment
  104     ....Retractable peg
  105     ....Socket-type
  106     .Ball handling or diverting means
  107     ..Mechanical projector
  108     ..Tethered ball
  109     ..Means to change or curve ball path
  110     ..Ball return
  111     ...Ball lift or elevator
  112     ...Mechanical means for ball retarding or arresting
  113     ..Gutter structure
  114     ..Backstop, division board, or adjunct therefor
  115     .Alley or board structure
  116     ..Portable game board, table, or alley
  117     ..With nonwooden alley surface or lining
  118     .Pin
  119     ..Composite structure (e.g., distinct layers, components, joint,
             etc.)
  120     ...With reinforcing filament, fiber, or fabric
  121     ...With metal shell or skin
  122     ...With wooden component
  123     ....Laminated or attached wooden components
  124     ....With end or bottom reinforcing preform
  125     .Ball
  126     ..With weight block
  127     ..With specific grip means
  128     ...Thumb or finger hole grip
  129     ....Size or depth adjusting means
  130     ....Removable insert or bushing
  *       UNTIL CLASS 273 HAS BEEN COMPLETELY RECLASSIFIED AND ALL OF THE
           SUBJECT MATTER THEREOF INCORPORATED INTO THIS, ITS REPLACEMENT
           CLASS, CLASS 273 IS TO BE CONSIDERED AN INTEGRAL PART OF CLASS
           473 AS SHOWN BY THE POSITION OF THIS BOX