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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:
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Patent Number Title Of Patent Date Issued
8677670 Segmented composite barrel for weapon Mar. 25, 2014
8635797 Rifling angle calculating method Jan. 28, 2014
8516729 Reduced lethality gun Aug. 27, 2013
8397413 Muzzleloading rifle with breech plug having gas seal facility Mar. 19, 2013
8333029 Extreme duty machine gun barrel Dec. 18, 2012
8291632 Projectile weapons Oct. 23, 2012
8261480 Rigid composite structure with a superhard interior surface Sep. 11, 2012
8112930 Firearm with enhanced corrosion and wear resistance properties Feb. 14, 2012
8020333 Cylinder with polycrystalline diamond interior Sep. 20, 2011
7934332 Composite firearm barrel May. 3, 2011
7918219 Projectile launching assembly Apr. 5, 2011
7802394 Rifle barrel and method of determining rifling twist for very long range accuracy Sep. 28, 2010
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
5974941 Semi-automatic revolver Nov. 2, 1999
5974641 Method of shaping a muzzle-loading firearm barrel 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

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