ClassID:

162453

F41A3/30 - CPC Classification

Classification description:

Breech mechanisms, e.g. locks; Bolt action, i.e. the main breech opening movement being parallel to the barrel axis; Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively the locking elements effecting a rotary movement about the barrel axis, e.g. rotating cylinder bolt locks Interlocking means, e.g. locking lugs, screw threads

Recent Application in this class:
#1
20250314439
2025-10-09

Compact Bolt Carrier Group

#2
20240240887
2024-07-18

SMALL FIREARMS AND METHOD OF OPERATING SMALL FIREARMS

#3
20230123825
2023-04-20

Rifle

#4
20220333889
2022-10-20

Barrel for a firearm with locking space, and production process

#5
20220325967
2022-10-13

Bolt head for a firearm

#6
20220057162
2022-02-24

Firearms and components thereof featuring enhanced bolt lug shapes

#7
20200348093
2020-11-05

Cased telescoped ammunition firearm with dual feed

#8
20200333094
2020-10-22

Radial delayed blowback operating system for a firearm incorporating a rotational inducing profile established between bolt lugs and a mating receiving pattern within the upper receiver or a trunnion installed within the receiver

#9
20200292254
2020-09-17

Radial delayed blowback operating system for a firearm including a recoil discharge force attenuation interface between a cam pin and a clearance pocket configured within an upper receiver of the firearm

#10
20200191515
2020-06-18

FIREARMS AND COMPONENTS THEREOF, FOR ENHANCED AXIAL ALIGNMENT OF BARREL WITH ACTION

#11
20200064089
2020-02-27

Bolt for bolt action rifles

#12
20200049436
2020-02-13

Ambidextrous straight pull bolt action with closing rotative slugs

#13
20200033079
2020-01-30

Operating system for small caliber rifles

#14
20190195581
2019-06-27

Firearm with locked breech rotating bolt pistol

#15
20190128625
2019-05-02

Radial delayed blowback operating system, such as for AR 15 platform

#16
20190049206
2019-02-14

Cartridge extraction for a cased telescoped ammunition firearm

#17
20190049201
2019-02-14

Cased telescoped ammunition firearm with translating chamber

#18
20190049199
2019-02-14

Cased telescoped ammunition firearm with headspace reduction

#19
20180328688
2018-11-15

Triggering mechanism for hybrid primer cartridges

#20
20180224226
2018-08-09

Breech bolt for firearm

#21
20180164057
2018-06-14

Operating system for small caliber rifles

#22
20180164056
2018-06-14

Bolt for bolt action rifles

#23
20180142972
2018-05-24

Radial delayed blowback operating system, such as for AR 15 platform

#24
20180128567
2018-05-10

Firearms and components thereof, for enhanced axial alignment of barrel with action

#25
20180017346
2018-01-18

Take-down compact precision rifle

#26
20170074608
2017-03-16

Breech assembly with expandable mandrel

#27
20160252314
2016-09-01

Bolt for bolt action rifles

#28
20160033226
2016-02-04

Barrel extension for firearm

#29
20150260467
2015-09-17

Breech bolt having asymmetric lugs

#30
20140075806
2014-03-20

Breech bolt for firearm

#31
20140059910
2014-03-06

Bolt assembly for firearms

#32
20130239795
2013-09-19

Bushing assisted cam pin

#33
20130152443
2013-06-20

Automatic rifle bolt carrier with fluted boss

#34
20130074390
2013-03-28

Rotary lug breeches and weapons including such rotary lug breeches

#35
20120304519
2012-12-06

Breech plug

#36
20120297657
2012-11-29

BREECH PLUG FOR USE WITH A MUZZLE-LOADING RIFLE

#37
20120137869
2012-06-07

Automatic rifle bolt carrier with fluted boss

#38
20120137558
2012-06-07

Muzzle-loading rifle equipped with a gunpowder-proof sealed breech plug

#39
20110000118
2011-01-06

Muzzleloader firearm system

#40
20100175290
2010-07-15

System for joining a barrel to the receiver of a bolt action rifle

#41
20100024272
2010-02-04

Muzzle loading rifle with removable breech plug

#42
20070107290
2007-05-17

Bolt assembly with locking system

#43
20050066564
2005-03-31

Bolt assembly with locking system

#44
17937032
2026-01-06

Load balanced firearm barrel extension

#45
17148226
2022-10-11

Firearm bolt carrier group

#46
14958289
2016-09-20

Barrel extension and bolt carrier system