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Class Information
Number: 42
Name: Firearms >
Description: This class includes all the portable firearms, i.e., those which are supported by hand when operated, such as shoulder guns, pistols, toy firearms and cane guns, except the automatic or explosion-operated firearms. This class also has such firearms combined with cleaners, intrenching devices, bayonets, and other cutters (including specifically pistol-swords). The following devices are likewise found here either, per se, or in combination with the firearm; ram rods, gun-rests and some body supported arm rests.










Class Number Class Name No. of Patents
42/76.01

Barrels

145
42/77

Auxiliary

138
42/79

Choke devices

61
42/76.02

Materials or coatings

86
42/76.1

Method of making or modifying by metal working

32
42/78

Rifling or lining

72
42/86

Bayonets

17
42/1.16

Billy club type

15
42/1.11

Body borne remote operated

11
42/2

Breech loading

20
42/8

Breech hinged barrel

14
42/9

Faucet breechblock

8
42/10

Forward-sliding barrel

16
42/11

Magazine

14
42/7

Grip magazine pistols

138
42/6

Magazine guns

48
42/49.01

Magazines

100
42/49.02

Adapters or capacity reducers

54
42/50

Box

227
42/49.1

Method of making

4
42/39.5

Movable chamber

28
42/12

Side swinging barrel

9
42/13

Parallel pivot

6
42/14

Sliding breechblock

29
42/15

Movable chamber

26
42/16

Rearward

177
42/25

Extractors

120
42/17

Magazine

61
42/18

Box

58
42/19

Rotary

18
42/16.1

Method of making

3
42/20

Pivoted hammer

12
42/21

Magazine

10
42/22

Box

16
42/23

Vertical mortise

20
42/24

Magazine

2
42/5

Spring-motor operated

1
42/26

Swinging breechblock

6
42/28

Downward and rearward

6
42/29

Magazine

5
42/30

Laterally forward

1
42/31

Laterally rearward

1
42/27

Movable chamber

4
42/32

Parallel pivot

4
42/33

Magazine

4
42/34

Rearward and downward

10
42/35

Magazine

5
42/36

Upward and forward

2
42/37

Magazine

2
42/38

Upward and rearward

9
42/39

Magazine

3
42/40

Upward-tilting breech

27
42/44

Barrel locks

37
42/45

Hammer cocking

11
42/47

Ejectors

22
42/48

Hammer

5
42/46

Extractors

31
42/41

Firing mechanism

24
42/43

Cocking devices

17
42/42.01

With single actuator

36
42/42.02

Plural triggers

8
42/42.03

Single trigger and hammer

19
42/52

Cane guns

1
42/1.12

Cattle slaughter type

11
42/1.09

Disguised as body article

27
42/84

Electric appliances

217
42/69.01

Firing mechanism

258
42/69.02

Rearward sliding breech bolt

147
42/69.03

With pivoted hammer

134
42/1.15

Flare type gun

23
42/1.08

For discharging a stunning agent

116
42/85

Gun trimmings

134
42/90

Implements

423
42/104

Finger recoil pad

4
42/96

Firearm protectors

120
42/95

For barrel cleaning

141
42/105

For launching grenades

111
42/93

Intrenching

4
42/99

Magnetic holding devices

19
42/94

Rests

451
42/98

Shell catchers

49
42/111

Sight devices

167
42/135

Correctable

27
42/139

Laterally, including target leading type

11
42/136

Vertically adjustable (e.g., slide, ramp, etc.)

46
42/137

And laterally

71
42/138

By pivoting about transverse axis

29
42/140

Dual flip-, superimposed-, or dial-type

31
42/114

Focused beam (e.g., laser on target, etc.)

159
42/117

Activated by a switch

91
42/115

Having beam adjusting structure or mounted for correction

82
42/116

Through the bore type (i.e., insertable into firing chamber)

47
42/133

Having variable size aperture, slot, notch, or cone-shaped

28
42/143

Hood, guard, shade, or cover

24
42/132

Illuminated, including fiber optics

142
42/141

Multisight, for moving targets (e.g., shotgun type, etc.)

28
42/142

Nonadjustable rangefinder, type

38
42/118

Periscope type or using a mirror

26
42/148

Stowed, relocated to nonuse position, or quickly detachable

75
42/146

Target illuminated (e.g., via flashlight, etc.)

128
42/113

Target spot or dot superimposed on sight

87
42/119

Telescopic type

114
42/122

Having a reticle (including adjustable)

159
42/123

And an illuminating or incandescent device

67
42/129

Lens cover, scope hood, or shade

43
42/124

Mount or mounting

227
42/125

Allowing adjustment

101
42/126

Vertically and laterally

70
42/127

Quickly detachable (i.e., knockdown)

135
42/128

To nonuse position, including to reload

23
42/120

With a collimating or sighting-in device

34
42/121

Insertable into muzzle

26
42/134

Through the bore type (e.g., sighting in, or straightness testing device, etc.)

21
42/144

Using contrasting material or color (e.g., bead, etc.)

43
42/145

Luminescent, phosphorescent, luminous material

47
42/112

Vent, vented, or ventilated rib type

42
42/130

With a reticle or graticule (e.g., crosshairs, etc.)

72
42/131

Including an incandescent or illuminating device

65
42/147

Yieldable

8
42/97

Weights and balances

36
42/1.01

Indicators

111
42/1.05

Chamber status

41
42/1.04

Hammer position

5
42/1.02

Magazine shot

47
42/1.03

Single shot, e.g., digital type

20
42/87

Magazine chargers

98
42/88

Packs

23
42/89

Revolver

49
42/106

Miscellaneous

176
42/51

Muzzle loaders

149
42/107

Muzzle making, attaching or repair

5
42/83

Nipples and guards

38
42/53

Pistol swords

2
42/DIG.1

Release trigger

8
42/59

Revolvers

79
42/61

Cylinder loaded from muzzle end

9
42/65

Firing mechanism

77
42/67

Cylinder stops

23
42/66

Safety devices

104
42/63

Hinged barrel

5
42/64

Barrel catches

6
42/60

Magazine-fed cylinder

10
42/68

Shell extractors

19
42/62

Swinging cylinder

20
42/70.01

Safety mechanism

275
42/70.11

Firearm lock

488
42/70.08

Hammer or firing pin

269
42/70.02

Magazine operated

60
42/70.07

On trigger guard

157
42/70.09

Responsive to particular firing angle

9
42/70.05

Sear lock

58
42/70.04

Sear trigger lock

44
42/70.03

Shoulder operated

3
42/70.06

Trigger lock

170
42/75.01

Stock or barrel connectors

114
42/75.02

Barrel to receiver

188
42/75.04

Hinged or pivoted barrel

38
42/75.1

Method of making

20
42/75.03

Receiver to stock

147
42/71.01

Stocks

283
42/73

Adjustable

140
42/72

Auxiliary

228
42/74

Cushioned

136
42/71.02

For pistols

156
42/108

Tool for assembly or disassembly

34
42/54

Toy

46
42/55

Cannon

12
42/58

Revolvers

12
42/57

Ribbon fed

9
42/1.13

Trip, trap or burglary prevention

9
42/1.14

Underwater type

40
42/1.07

With adjustable head space

13
42/1.071

By reaming

1
42/1.06

With recoil reducer

104
 
 
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