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Class Information
Number: 42/1.07
Name: Firearms > With adjustable head space
Description: Devices having adjustable means to compensate for the distance between the face of the locked bolt or breech block of a firearm and some specified point in the chamber.

Sub-classes under this class:

Class Number Class Name Patents
42/1.071 By reaming 1

Patents under this class:

Patent Number Title Of Patent Date Issued
7254913 Revolver for firing high velocity ammunition Aug. 14, 2007
6612063 Weapon, in particular a self-loading pistol Sep. 2, 2003
5829180 Blank-firing semiautomatic pistols Nov. 3, 1998
5375358 Quick muzzle loading rifle and loader Dec. 27, 1994
5024016 Self-loading pistols Jun. 18, 1991
4918825 Micrometer cartridge headspace gauge Apr. 24, 1990
4807380 Firearm Feb. 28, 1989
4614051 Firearm construction Sep. 30, 1986
4608909 Interchangeable barrel for small arms Sep. 2, 1986
4575962 Unitary bolt face and firing pin device Mar. 18, 1986
4462179 Chamber alignment and safety system for a firearms Jul. 31, 1984
4447975 Gun with reduced recoil May. 15, 1984
4103587 Autoloading pistol Aug. 1, 1978

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