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Class Information
Number: 42/78
Name: Firearms > Barrels > Rifling or lining
Description: Gun barrels in which the novelty resides in the rifling. This subclass includes rifling for heavy ordnance as well as for the lighter firearms.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7152357 |
Composite firearm barrel assemblies |
Dec. 26, 2006 |
| 6779716 |
Rifled weapon engraver and scanner |
Aug. 24, 2004 |
| 6769209 |
Removable interior barrel adaptable in an interior of an original barrel for ammunition or pellets for sport rifles |
Aug. 3, 2004 |
| 6739083 |
Runout correction rifle barrel |
May. 25, 2004 |
| 6615702 |
Gun barrel |
Sep. 9, 2003 |
| 6574898 |
Firearm frame and barrel assembly |
Jun. 10, 2003 |
| 6497065 |
Firearm barrel having protective sleeve |
Dec. 24, 2002 |
| 6487951 |
Apparatus and method for firing a projectile |
Dec. 3, 2002 |
| 6467213 |
Method of providing a weapon barrel with an internal hard chromium layer |
Oct. 22, 2002 |
| 6427373 |
Gun barrel rifling |
Aug. 6, 2002 |
| 6408557 |
Apparatus for producing rifling grooves in a weapon barrel |
Jun. 25, 2002 |
| 6374720 |
Firearm with an expansion chamber with variable volume |
Apr. 23, 2002 |
| 6324780 |
Fluted gun barrel |
Dec. 4, 2001 |
| 6266908 |
Firearm frame and barrel assembly, method of assembling and assembly tool |
Jul. 31, 2001 |
| 6189431 |
Small caliber gun barrel |
Feb. 20, 2001 |
| 6170187 |
Weapon tube |
Jan. 9, 2001 |
| 6085630 |
Firearms |
Jul. 11, 2000 |
| 5974641 |
Method of shaping a muzzle-loading firearm barrel |
Nov. 2, 1999 |
| 5974941 |
Semi-automatic revolver |
Nov. 2, 1999 |
| 5915937 |
Primarily independent composite/metallic gun barrel |
Jun. 29, 1999 |
| 5856631 |
Gun barrel |
Jan. 5, 1999 |
| 5844162 |
Muzzle venting in muzzleloading rifles |
Dec. 1, 1998 |
| 5841058 |
Firearms |
Nov. 24, 1998 |
| 5824944 |
Metallic slug for industrial ballistic tool |
Oct. 20, 1998 |
| 5782030 |
Barrel for muzzle loading firearm |
Jul. 21, 1998 |
| 5765303 |
Barrels for firearms and methods for manufacturing the same |
Jun. 16, 1998 |
| 5758446 |
Fired bullet identification system |
Jun. 2, 1998 |
| 5737863 |
Muzzle loading firearm projectile |
Apr. 14, 1998 |
| 5666756 |
Shotgun having light weight interchangeable barrel tubes with improved fit |
Sep. 16, 1997 |
| 5664359 |
Rifled weapon barrel and method of making the same |
Sep. 9, 1997 |
| 5657568 |
Composite/metallic gun barrel having a differing, restrictive coefficient of thermal expansion |
Aug. 19, 1997 |
| 5639981 |
Barrel for muzzle loading firearm |
Jun. 17, 1997 |
| 5565642 |
Compressed gas weapon |
Oct. 15, 1996 |
| 5435089 |
Muzzle loader barrel having a counter bore to facilitate loading of a slug |
Jul. 25, 1995 |
| H1365 |
Hybrid gun barrel |
Nov. 1, 1994 |
| 5337504 |
Gun tube |
Aug. 16, 1994 |
| 5212328 |
Nonmetallic gun barrel |
May. 18, 1993 |
| 5196637 |
Nonmetallic gun barrel |
Mar. 23, 1993 |
| 5191165 |
Ordnance barrels |
Mar. 2, 1993 |
| 5183958 |
Nonmetallic gun barrel |
Feb. 2, 1993 |
| 5155291 |
Barrel assembly for home security weapon |
Oct. 13, 1992 |
| 5077926 |
Gun barrel equipped with optimized rifling |
Jan. 7, 1992 |
| 4924614 |
Gun barrel construction |
May. 15, 1990 |
| 4712465 |
Dual purpose gun barrel for spin stabilized or fin stabilized projectiles and gun launched rockets |
Dec. 15, 1987 |
| H278 |
Apparatus for adapting a rifle to fire a different projectile |
Jun. 2, 1987 |
| 4660312 |
Rifled gun barrel having smooth bore section |
Apr. 28, 1987 |
| 4590698 |
Barrel bypass system--full length groove |
May. 27, 1986 |
| 4570529 |
Flash suppressor for firearms having rifled barrels |
Feb. 18, 1986 |
| 4546564 |
Rifled bore construction for a gun barrel |
Oct. 15, 1985 |
| 4527348 |
Gun barrel |
Jul. 9, 1985 |
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