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Class Information
Number: 42/77
Name: Firearms > Barrels > Auxiliary
Description: Barrels some of which are adapted to be placed within the usual barrel to make a rifle in place of a shotgun or for some other reason to reduce the usual bore; some barrels adapted to be placed by and removed from the side of the usual barrel to make a double-barreled gun or one with a shot and also a rifle barrel.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7562478 |
Firearm conversion system and caliber reducer with hammer safety lock |
Jul. 21, 2009 |
| 7467490 |
Display clamp assembly for extra firearm barrels |
Dec. 23, 2008 |
| 7444775 |
Caliber convertible AR-15 upper receiver system |
Nov. 4, 2008 |
| 7421934 |
Mortar tube for training |
Sep. 9, 2008 |
| 7380488 |
Blank firing adapter for combination gas and recoil operated weapon |
Jun. 3, 2008 |
| 7380363 |
Replaceable blank firing barrel |
Jun. 3, 2008 |
| 7316093 |
Firearm and munitions kit |
Jan. 8, 2008 |
| 7302774 |
Flash suppressor apparatus and methods |
Dec. 4, 2007 |
| 7302881 |
Conversion kit and method for a ruger 10/22 semi-automatic .22 caliber rim fire rifle to shoot .17 mach 2 cartridges |
Dec. 4, 2007 |
| 7207273 |
Buckshot round |
Apr. 24, 2007 |
| 7121035 |
Sight-preserving, partially self-cleaning, divergent-axis caliber conversion in handguns |
Oct. 17, 2006 |
| 7076904 |
Detachable gun barrel assembly |
Jul. 18, 2006 |
| 7062875 |
Barrel replacement or insert devices for firearm function conversion |
Jun. 20, 2006 |
| 7036260 |
Method and system to prevent firing live rounds of ammunition during miles exercises |
May. 2, 2006 |
| 6874403 |
Assembly and a method for increasing the accuracy of a projectile |
Apr. 5, 2005 |
| 6848208 |
Replaceable blank firing barrel |
Feb. 1, 2005 |
| 6837139 |
Flash suppressor apparatus and methods |
Jan. 4, 2005 |
| 6823857 |
Barrel assembly with removable barrel insert for pneumatic paintball gun |
Nov. 30, 2004 |
| 6789342 |
Firearm |
Sep. 14, 2004 |
| 6769209 |
Removable interior barrel adaptable in an interior of an original barrel for ammunition or pellets for sport rifles |
Aug. 3, 2004 |
| 6718677 |
Plug for a firearm |
Apr. 13, 2004 |
| 6634128 |
0.22 caliber long rifle removable conversion system kit for black powder cap and ball reproduction and replica revolver--recreation and gallery shooting |
Oct. 21, 2003 |
| 6619179 |
Small firearm muzzle accessory mount |
Sep. 16, 2003 |
| 6606952 |
Shotgun adapter for use to school different gauge shells |
Aug. 19, 2003 |
| 6591534 |
Gun locking interface assembly for non-conforming components |
Jul. 15, 2003 |
| 6543173 |
Firearm assembly |
Apr. 8, 2003 |
| 6513274 |
Removable system for converting a breach loading shotgun to a .22 long rifle |
Feb. 4, 2003 |
| 6493979 |
Handgun system with an exchangeable barrel |
Dec. 17, 2002 |
| 6446559 |
Shotgun adapter for use to shoot different guage shells |
Sep. 10, 2002 |
| 6442882 |
Cartridge ejection mechanism for converted automatic pistol |
Sep. 3, 2002 |
| 6385891 |
Adapter for attaching sound suppressors or other auxiliary devices to weapons |
May. 14, 2002 |
| 6381894 |
Bola launcher |
May. 7, 2002 |
| 6357331 |
Two-piece barrel for low-energy training ammunition |
Mar. 19, 2002 |
| 6318230 |
Gun attachment |
Nov. 20, 2001 |
| 6295751 |
Flare attachment for a firearm with a removable barrel |
Oct. 2, 2001 |
| 6293040 |
Interchangeable weapon receiver for alternate ammunition |
Sep. 25, 2001 |
| 6276252 |
Ammunition chambering mechanism for automatic firearms |
Aug. 21, 2001 |
| 6250007 |
Cattle stunning gun improvement |
Jun. 26, 2001 |
| 6237272 |
Breech block safety device |
May. 29, 2001 |
| 6161461 |
Training device for a combat vehicle with a heavy weapon, especially an armored howitzer |
Dec. 19, 2000 |
| 6145440 |
Training weapon system |
Nov. 14, 2000 |
| 6134823 |
Apparatus for attaching a supplemental device to a minimally altered host firearm |
Oct. 24, 2000 |
| 6128847 |
Weapon discharge safety mechanism |
Oct. 10, 2000 |
| 5983772 |
Subcaliber device/blank firing adaptor for blowback or recoil operated weapons |
Nov. 16, 1999 |
| 5983773 |
Chambering of low-energy training ammunition in automatic firearms |
Nov. 16, 1999 |
| 5930935 |
Method and apparatus for attaching a supplemental device to an unaltered host firearm |
Aug. 3, 1999 |
| 5829180 |
Blank-firing semiautomatic pistols |
Nov. 3, 1998 |
| 5729927 |
Firearm adapter device and cartridge carrier for use therein |
Mar. 24, 1998 |
| 5706599 |
Rifle with interchangeable barrel |
Jan. 13, 1998 |
| 5689908 |
Rifle construction with swing-type barrel |
Nov. 25, 1997 |
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