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Class Information
Number: 89/14.7
Name: Ordnance > Barrels > Lining, rifling, or making
Description: Subject matter includes (a) adding another layer to the bore, or (b) altering by, e.g., boring, the shape of the bore etc., or (c) fabricating the bore of the firing chamber.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7197986 |
Composite steel and ceramic gun barrels |
Apr. 3, 2007 |
| 7152357 |
Composite firearm barrel assemblies |
Dec. 26, 2006 |
| 6931776 |
Apparatus for the section-wise autofrettage of gun barrels |
Aug. 23, 2005 |
| 6810615 |
Method for gun barrel manufacture using tailored autofrettage mandrels |
Nov. 2, 2004 |
| 6594936 |
Method for lining a gun barrel |
Jul. 22, 2003 |
| 6230429 |
Composite tube for gun barrel |
May. 15, 2001 |
| 6158158 |
Method of frictionally bonding a liner to an outer tube of a weapon barrel |
Dec. 12, 2000 |
| 6142057 |
Tubular weapon |
Nov. 7, 2000 |
| 5837921 |
Gun barrel with integral midwall cooling |
Nov. 17, 1998 |
| 5600912 |
Composite tube for a gun barrel |
Feb. 11, 1997 |
| 5337504 |
Gun tube |
Aug. 16, 1994 |
| 5177990 |
Autofrettage device for tubes |
Jan. 12, 1993 |
| 5160802 |
Prestressed composite gun tube |
Nov. 3, 1992 |
| 5077926 |
Gun barrel equipped with optimized rifling |
Jan. 7, 1992 |
| 4846911 |
Preloaded composite electromagnetic barrel and process for fabricating same |
Jul. 11, 1989 |
| 4571969 |
Autofrettage process |
Feb. 25, 1986 |
| 4417459 |
Autofrettage process |
Nov. 29, 1983 |
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