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Class Information
Number: 42/23
Name: Firearms > Breech loading > Sliding breechblock > Vertical mortise
Description: The breech-block, in opening the breech, slides vertically in a mortise.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7353631 |
Muzzle-loading firearm |
Apr. 8, 2008 |
| 6760991 |
Single shot falling block action rifle |
Jul. 13, 2004 |
| 6233860 |
Single shot falling breech block rifle action |
May. 22, 2001 |
| 5682699 |
Single-shot falling block action rifle with improved safety |
Nov. 4, 1997 |
| 5673505 |
Falling breechblock action for a single shot firearm |
Oct. 7, 1997 |
| 5659992 |
Single-shot falling breech block action |
Aug. 26, 1997 |
| 4879827 |
Single shot falling block action rifle |
Nov. 14, 1989 |
| 4787287 |
Automatic cannon having an ammunition-receiving device |
Nov. 29, 1988 |
| 4689912 |
Hand-held high-velocity grenade launcher |
Sep. 1, 1987 |
| 4674215 |
Protective cover by loading flap in a breech aperture |
Jun. 23, 1987 |
| 4648190 |
Single shot falling block action |
Mar. 10, 1987 |
| 4570369 |
Cylindrical, falling breech block, rifle action |
Feb. 18, 1986 |
| 4452001 |
Firing pin mechanism |
Jun. 5, 1984 |
| 4368590 |
Firing pin retractor mechanism for electrically-fired guns |
Jan. 18, 1983 |
| 4341031 |
Percussion firing mechanism for industrial guns |
Jul. 27, 1982 |
| 4133126 |
Ammunition loading and ejection arrangement |
Jan. 9, 1979 |
| 4128956 |
Single shot rifle having falling breechblock integral with stock |
Dec. 12, 1978 |
| 4095363 |
Falling breech block action for a single shot action |
Jun. 20, 1978 |
| 4040196 |
Rifle |
Aug. 9, 1977 |
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