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Class Information
Number: 42/44
Name: Firearms > Breech loading > Upward-tilting breech > Barrel locks
Description: Devices for holding or locking the breech in the closed position.

Sub-classes under this class:

Class Number Class Name Patents
42/45 Hammer cocking 11

Patents under this class:

Patent Number Title Of Patent Date Issued
8326756 Internet billing method Dec. 4, 2012
7854082 Device for opening and closing rolling block firearms Dec. 21, 2010
7313882 Hold adjustment device between fore-end iron and action body in a break-open firearm Jan. 1, 2008
7012169 Disposable finger sleeve for appendages Mar. 14, 2006
6820361 Break-action firearm Nov. 23, 2004
6655065 Barrel catch mechanism Dec. 2, 2003
6609320 Breech locking safety bracket for flare launchers Aug. 26, 2003
6584718 Firearm locking mechanism Jul. 1, 2003
6415538 Breech locking safety bracket for flare launchers Jul. 9, 2002
6183894 Electrocatalyst for alcohol oxidation in fuel cells Feb. 6, 2001
5933998 Break-action shotgun with a device for mass-production interchangeability of the barrels Aug. 10, 1999
5704149 Hammer for muzzle loader rifle Jan. 6, 1998
5680722 Fire control system for firearms Oct. 28, 1997
5664358 Barrel lock for a hand gun Sep. 9, 1997
5657567 Device for coupling and releasing the trigger mechanism in the bascule of guns Aug. 19, 1997
5649383 Barrel retaining device for firearms Jul. 22, 1997
5617665 Rotating breech gun Apr. 8, 1997
5611164 Security and deployment assembly Mar. 18, 1997
5467549 Firearm automatic safety system Nov. 21, 1995
5421114 Gun with improved barrel locking means and rebounding hammer Jun. 6, 1995
5225610 One-shot weapons Jul. 6, 1993
5165383 Gun with pivoting barrel, projectile loader, and trigger interlock Nov. 24, 1992
5111607 Resettable breechblock wedges in a break-open firearm with top lever breechblock May. 12, 1992
5095643 Handgun with improved receiver lock, hammer mounting, and sight Mar. 17, 1992
4964232 Single barrel break-action trap shotgun Oct. 23, 1990
4914845 Breech load pistol and conversion Apr. 10, 1990
4774929 Gun with pivoting barrel and lever for retaining barrel in position or permitting barrel to pviot Oct. 4, 1988
4662097 Trigger operated barrel lock release May. 5, 1987
4646457 Barrel and interchangeable trigger plate locking device for shot guns Mar. 3, 1987
4597212 Safety device for guns Jul. 1, 1986
4574510 Barrel locking mechanism for break-open-action gun Mar. 11, 1986
4276708 Pistol receiver actuating mechanism Jul. 7, 1981
4199886 Guns Apr. 29, 1980
4156980 Breech opening apparatus for handgun Jun. 5, 1979
4000575 Means for retraction of lower firing pin of over-and-under firearm Jan. 4, 1977
3971150 Top lever retaining means for break-open firearms Jul. 27, 1976
3949507 Top lock mechanism for break-open firearm Apr. 13, 1976

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