US Patent Class 42
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Current as of: June, 1999
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Internet Version by PATENTEC © 1999       Terms of Use



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