Ordnance – Automatic – Gas piston type
Reexamination Certificate
2006-07-24
2008-12-09
Johnson, Stephen M (Department: 3641)
Ordnance
Automatic
Gas piston type
C089S191020, C089S192000
Reexamination Certificate
active
07461581
ABSTRACT:
A self-cleaning gas operating system for a firearm having a conventional bolt carrier assembly is disclosed comprising: a nozzle assembly having a nozzle in direct communication with a port on the muzzle; said nozzle assembly nested within a piston cup having a vent, a connecting rod operationally linking the piston cup to a spring loaded operating rod which is substantially co-axial to a bolt carrier key having a striking portion, said striking portion having a concave strike face in contact with said operating rod, wherein gas discharged from a fired cartridge displaces the piston cup and causes the operating rod to strike the strike face displacing the bolt assembly.
REFERENCES:
patent: 3618457 (1971-11-01), Miller
patent: 3675534 (1972-07-01), Beretta
patent: 3857323 (1974-12-01), Ruger et al.
patent: 3869961 (1975-03-01), Kawamura et al.
patent: 4244273 (1981-01-01), Langendorfer et al.
patent: 4503632 (1985-03-01), Cuevas
patent: 4553469 (1985-11-01), Atchisson
patent: 4702146 (1987-10-01), Ikeda et al.
patent: 5272956 (1993-12-01), Hudson
patent: 5351598 (1994-10-01), Schuetz
patent: 5634288 (1997-06-01), Martel
patent: 5726377 (1998-03-01), Harris et al.
patent: 6227098 (2001-05-01), Mason
patent: 6382073 (2002-05-01), Beretta
patent: 6634274 (2003-10-01), Herring
patent: 6681677 (2004-01-01), Herring
patent: 6722255 (2004-04-01), Herring
patent: 6820533 (2004-11-01), Schuerman
patent: 6848351 (2005-02-01), Davies
patent: 2003/0089014 (2003-05-01), Schuerman
patent: 2005/0016374 (2005-01-01), Pescini
patent: 2006/0065112 (2006-03-01), Kuczynko et al.
patent: 2007/0012169 (2007-01-01), Gussalli Beretta
Johnson Stephen M
LWRCInternational, LLC
Troy Daniel J
LandOfFree
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