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Class Information
Number: 42/112
Name: Firearms > Implements > Sight devices > Vent, vented, or ventilated rib type
Description: Subject matter in which the attachment is a protrusion or projection, extending from a firearm barrel, designed to allow gas to escape the barrel during firearm discharge or allow heat from the barrel to radiate to the atmosphere.










Patents under this class:

Patent Number Title Of Patent Date Issued
8656627 Foldably segmented weapon sight system Feb. 25, 2014
8438775 Foldably segmented weapon sight May. 14, 2013
8276304 Modular fore-end rail assembly for firearms Oct. 2, 2012
8245433 Apparatus for maintaining proper orientation of an aiming eye when firing a shotgun Aug. 21, 2012
8104218 Firearm accessory rail with integral sight elements Jan. 31, 2012
7748306 Method for attaching a compensator assembly to a firearm Jul. 6, 2010
7540108 Shotgun sight and adjustable gun sight Jun. 2, 2009
7334364 Process for imprinting a composite ventilated rib Feb. 26, 2008
7059078 Process for imprinting a composite ventilated rib Jun. 13, 2006
6839999 Interchangeable rib Jan. 11, 2005
6622413 Sight apparatus for a shotgun Sep. 23, 2003
6622415 Compact and self-contained adjustable sight assembly Sep. 23, 2003
6604315 Method and apparatus for maintaining proper orientation of aiming eye when firing shotgun Aug. 12, 2003
6578310 Firearm sighting device Jun. 17, 2003
6421946 Removable sight assembly for weapons Jul. 23, 2002
D393306 Shotgun sight Apr. 7, 1998
5715626 Interchangeable rib assembly for rifles Feb. 10, 1998
5595011 Telescopic-sight system for AK47-type rifles Jan. 21, 1997
5590485 Rib for firearm and method of making a barrel with rib Jan. 7, 1997
5590484 Universal mount for rifle Jan. 7, 1997
5443543 Firearm barrel assembly with removable sight Aug. 22, 1995
5208407 Gun sight mounting system for shotgun May. 4, 1993
4941277 Mount for firearm sight Jul. 17, 1990
4899479 Shotgun rib mount Feb. 13, 1990
4890407 Dovetail gun sight mount Jan. 2, 1990
4878308 Adjustable shotgun rib Nov. 7, 1989
4679344 Gun sight Jul. 14, 1987
4669193 Handgun sight alignment tool and method of using same Jun. 2, 1987
4624056 Sight fork for aligning sights on small firearms Nov. 25, 1986
4597211 Self-alternating rear sights for double-barrel firearms Jul. 1, 1986
4406078 Sight rib for firearm leveling Sep. 27, 1983
4228605 Adjustable coupling apparatus for superposed barrels of a sporting gun or the like Oct. 21, 1980
4203243 Raised rib and stock elevator attachment for shotguns May. 20, 1980
4173169 Semi-automatic firearm Nov. 6, 1979
4151782 Handgun with indexing means May. 1, 1979
4143465 Sighting device Mar. 13, 1979
4117617 Adjustable sighting rib Oct. 3, 1978
4010564 Shotgun with adjustable ventilated sight rib Mar. 8, 1977
4008536 Detachable gun sight mounts Feb. 22, 1977
4000574 Rib for handgun Jan. 4, 1977
3974586 Firearms accessories Aug. 17, 1976
3955299 Adjustable means to vary point of impact of over-and-under firearms May. 11, 1976











 
 
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