Class 042: FIREARMS ( Manual of U.S. Patent Classification )

U.S. PATENT AND TRADEMARK OFFICE
Information Products Division

[Manual of Classification, Class Listing]

Manual of U.S. Patent Classification
as of June 30, 2000

Class
042
FIREARMS

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Subclass		Title
ClassTitle		===> FIREARMS

1.01		INDICATORS
1.02		. Magazine shot
1.03		. Single shot, e.g., digital type
1.04		. Hammer position
1.05		. Chamber status
1.06		WITH RECOIL REDUCER
1.07		WITH ADJUSTABLE HEAD SPACE
1.08		FOR DISCHARGING A STUNNING AGENT
1.09		DISGUISHED AS BODY ARTICLE
1.11		BODY BORNE REMOTE OPERATED
1.12		CATTLE SLAUGHTER TYPE
1.13		TRIP, TRAP OR BURGLARY PREVENTION
1.14		UNDERWATER TYPE
1.15		FLARE TYPE GUN
1.16		BILLY CLUB TYPE
52		CANE GUNS
53		PISTOL SWORDS
54		TOY
57		. Ribbon fed
58		. Revolvers
55		. Cannon
2		BREECH LOADING
5		. Spring-motor operated
8		. Breech hinged barrel
9		. Faucet breechblock
10		. Forward-sliding barrel
11		. . Magazine
12		. Side swinging barrel
13		. . Parallel pivot
14		. Sliding breechblock
15		. . Movable chamber
16		. . Rearward
17		. . . Magazine
18		. . . . Box
19		. . . . Rotary
20		. . . Pivoted hammer
21		. . . . Magazine
22		. . . . . Box
25		. . . Extractors
23		. . Vertical mortise
24		. . . Magazine
26		. Swinging breechblock
27		. . Movable chamber
28		. . Downward and rearward
29		. . . Magazine
30		. . Laterally forward
31		. . Laterally rearward
32		. . Parallel pivot
33		. . . Magazine
34		. . Rearward and downward
35		. . . Magazine
36		. . Upward and forward
37		. . . Magazine
38		. . Upward and rearward
39		. . . Magazine
39.5		. Movable chamber
40		. Upward-tilting breech
41		. . Firing mechanism
42.01		. . . With single actuator
42.02		. . . . Plural triggers
42.03		. . . . Single trigger and hammer
43		. . . Cocking devices
44		. . Barrel locks
45		. . . Hammer cocking
46		. . Extractors
47		. . Ejectors
48		. . . Hammer
7		. Grip magazine pistols
6		. Magazine guns
49.01		. Magazines
49.02		. . Adapters or capacity reducers
50		. . Box
51		MUZZLE LOADERS
59		REVOLVERS
60		. Magazine-fed cylinder
61		. Cylinder loaded from muzzle end
62		. Swinging cylinder
63		. Hinged barrel
64		. . Barrel catches
65		. Firing mechanism
66		. . Safety devices
67		. . Cylinder stops
68		. Shell extractors
69.01		FIRING MECHANISM
69.02		. Rearward sliding breech bolt
69.03		. . With pivoted hammer
70.01		SAFETY MECHANISM
70.02		. Magazine operated
70.03		. Shoulder operated
70.04		. Sear trigger lock
70.05		. Sear lock
70.06		. Trigger lock
70.07		. On trigger guard
70.08		. Hammer or firing pin
70.09		. Responsive to particular firing angle
70.11		. Firearm lock
71.01		STOCKS
71.02		. For pistols
72		. Auxiliary
73		. Adjustable
74		. Cushioned
75.01		STOCK OR BARREL CONNECTORS
75.02		. Barrel to receiver
75.03		. Receiver to stock
75.04		. Hinged or pivoted barrel
76.01		BARRELS
76.02		. Materials or coatings
77		. Auxiliary
78		. Rifling
79		. Choke devices
83		NIPPLES AND GUARDS
84		ELECTRIC APPLIANCES
85		GUN TRIMMINGS
86		BAYONETS
87		MAGAZINE CHARGERS
88		. Packs
89		. . Revolver
90		IMPLEMENTS
93		. Intrenching
94		. Rests
95		. For barrel cleaning
96		. Firearm protectors
97		. Weights and balances
98		. Shell catchers
99		. Magnetic holding devices
100		. Sight devices
101		. . Telescopic
102		. . Ventilated sight
103		. . Including lights
104		. Finger recoil pad
105		. For launching grenades
106		MISCELLANEOUS
		******************************
		DIGEST
		******************************
DIG 1		Release trigger

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Last Modified: 6 October 2000

Manual of U.S. Patent Classification as of June 30, 2000

Class 042 FIREARMS

Manual of U.S. Patent Classification
as of June 30, 2000

Class
042
FIREARMS