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.
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