ClassID:

162465

F41A3/54 - CPC Classification

Classification description:

Breech mechanisms, e.g. locks; Bolt action, i.e. the main breech opening movement being parallel to the barrel axis Bolt locks of the unlocked type, i.e. being inertia operated

Sub-classes:
Recent Application in this class:
#1
20250334367
2025-10-30

ERGONOMIC RIFLE WITH A MECHANIZM HOLDER

#2
20240230256
2024-07-11

Firearm with multi-part chamber locking assembly

#3
20220252365
2022-08-11

Ammunition magazine and hold-open bolt carrier

#4
20220099392
2022-03-31

Gas-delayed blowback operating system and method for AR-pattern firearms

#5
20210404756
2021-12-30

Reduced energy MSR system

#6
20210372720
2021-12-02

Automatic firearm having an inertial automation system

#7
20210356222
2021-11-18

Automatic firearm with inertial automatic loading system

#8
20210116190
2021-04-22

Variable port multi-piston gas-delayed blowback system for firearm

#9
20200080803
2020-03-12

Reduced energy MSR system

#10
20200072567
2020-03-05

Automatic firearm breech mechanism

#11
20190310036
2019-10-10

Pistol with a low-lying barrel

#12
20190033021
2019-01-31

Recoil apparatus for firearms

#13
20190017773
2019-01-17

Auto-loading underwater firearm

#14
20180347924
2018-12-06

Rifle to fire pistol cartridges

#15
20180335269
2018-11-22

Automatic pistol slide with laser

#16
20180142973
2018-05-24

Recoil spring for a firearm

#17
20180100716
2018-04-12

Suppressed pistol

#18
20180023912
2018-01-25

Automatic submachine gun for exploiting recoil comprising two opposing levers for the hammer, one associated with single-shot firing mode and the other with burst firing mode

#19
20170350664
2017-12-07

Bolt mechanisms and firearms containing the same

#20
20170328664
2017-11-16

Barrel system for a firearm

#21
20170268839
2017-09-21

Recoil spring for a firearm

#22
20170205173
2017-07-20

Suppressed pistol

#23
20170059277
2017-03-02

REMOVABLE HANDGUN SLIDE MOUNT

#24
20160377365
2016-12-29

Barrel system for a firearm

#25
20160061544
2016-03-03

Automatic handgun

#26
20160025434
2016-01-28

Bolt mechanisms and firearms containing the same

#27
20110252957
2011-10-20

Modified bolt assembly with forward assist adaptor for accomodating sub caliber ammunition utilized in an AR-15 type firearm

#28
20110232149
2011-09-29

System for ejecting shells from either right or left side of a weapon

#29
20110225862
2011-09-22

Reciprocating barrel pistol

#30
20110168009
2011-07-14

Semiautomatic Rifle with Downward Ejection

#31
20110041375
2011-02-24

Recoil operating pistol with nestable barrel and slide

#32
20100180760
2010-07-22

Semi-automatic firing closed bolt-type carbine anti-jamming cartridge loading system

#33
20100088942
2010-04-15

Recoil absorbing firearm

#34
20070251133
2007-11-01

Method of firing of firearms

#35
20070006720
2007-01-11

Retractable inner barrel structure of a bolt

#36
20060037464
2006-02-23

Firearm with a readily interchangeable bolt face