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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 |
| 4437249 |
Conversion of modern shotguns into muzzleloading shotguns |
Mar. 20, 1984 |
| 4418488 |
Pistol and removable cartridge shaped barrel insert |
Dec. 6, 1983 |
| 4404765 |
Gun barrel insert |
Sep. 20, 1983 |
| 4368589 |
Hand gun and kit therefor |
Jan. 18, 1983 |
| 4361093 |
Ammunition for small arms |
Nov. 30, 1982 |
| 4316339 |
Handgun having interchangeable barrels |
Feb. 23, 1982 |
| 4304061 |
Firearm barrel, shroud construction |
Dec. 8, 1981 |
| 4297801 |
Firearm with interchangeable barrels and ammunition cylinders |
Nov. 3, 1981 |
| 4288938 |
Firearm with interchangeable barrels and ammunition cylinders |
Sep. 15, 1981 |
| 4253377 |
Firearm of interconvertible calibers |
Mar. 3, 1981 |
| 4232468 |
Combination breech-loading to muzzle-loading firearm converting device and projectile casing |
Nov. 11, 1980 |
| 4227330 |
Breech-loading to muzzle-loading firearm converting device |
Oct. 14, 1980 |
| 4222191 |
Conversion plug |
Sep. 16, 1980 |
| 4220071 |
Conversion kit for semi-automatic carbines |
Sep. 2, 1980 |
| 4126954 |
Gun shell converter |
Nov. 28, 1978 |
| 4123866 |
Muzzle-loading handgun |
Nov. 7, 1978 |
| 4066000 |
Machine gun |
Jan. 3, 1978 |
| 4008537 |
Modification of rifle adapter assembly to prevent doubling |
Feb. 22, 1977 |
| 3997995 |
Saluting round adapter |
Dec. 21, 1976 |
| 3979851 |
All gauge skeet set barrel |
Sep. 14, 1976 |
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