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Class Information
Number: 89/29
Name: Ordnance > Practice barrels
Description: Small barrels adapted to be inserted in the bore of larger guns in order to permit firing a small load for practice or any other purpose.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7597038 Load reducing stores launch tube Oct. 6, 2009
7571672 Conversion platform for a .45 ACP pistol Aug. 11, 2009
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
7340987 Conversion platform for a .45 ACP pistol Mar. 11, 2008
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
6994011 Firearm safety device Feb. 7, 2006
6968770 Firearm safety device Nov. 29, 2005
6848208 Replaceable blank firing barrel Feb. 1, 2005
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
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
6446559 Shotgun adapter for use to shoot different guage shells Sep. 10, 2002
6442882 Cartridge ejection mechanism for converted automatic pistol Sep. 3, 2002
6357331 Two-piece barrel for low-energy training ammunition Mar. 19, 2002
6324984 Payload mechanism for low impulse cartridges Dec. 4, 2001
6324983 Sub-caliber projectile for low impulse cartridges Dec. 4, 2001
6318230 Gun attachment Nov. 20, 2001
6314859 Self-loading pistol conversion kit for a locked self-loading pistol and a weapon system composed of an optionally locked or unlocked self-loading pistol Nov. 13, 2001
6276252 Ammunition chambering mechanism for automatic firearms Aug. 21, 2001
6202533 Subcaliber device/blank firing adaptor for blowback operated or recoil operated weapons Mar. 20, 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
6050170 Combination anti-rotation and counter-recoil device for a sub-caliber barrel positioned inside a larger caliber gun barrel Apr. 18, 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
5886280 Training device for use with combat vehicles Mar. 23, 1999
5829180 Blank-firing semiautomatic pistols Nov. 3, 1998
5811715 Practice weapon for a carried recoilless anti-tank weapon Sep. 22, 1998
5706599 Rifle with interchangeable barrel Jan. 13, 1998
5463930 Device for firing practice ammunition Nov. 7, 1995
5415074 Sub-caliber inbore weapon for tank cannons May. 16, 1995
5381720 Device for mortars Jan. 17, 1995
H926 Rimfire blank adaptor kit for M16 rifles Jun. 4, 1991
4955157 Small caliber ammo conversion kit Sep. 11, 1990
4907362 Sub-caliber firearm Mar. 13, 1990
4872390 Insert barrel with adjusting device Oct. 10, 1989
4707942 Interchangeable barrel for Colt self-loading pistols Nov. 24, 1987
4681017 Practice ammunition system Jul. 21, 1987
4642928 Insert for reducing the caliber of a weapon Feb. 17, 1987
4633755 Gastight seal of a gun barrel Jan. 6, 1987
4605372 Training means for a weapon Aug. 12, 1986
4531446 Machine gun adaptor Jul. 30, 1985
4462299 Mechanism that automatically opens the breech block wedge on a semi-automatic weapon Jul. 31, 1984

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