Ordnance – Automatic – Gas piston type
Reexamination Certificate
2005-09-19
2009-11-03
Hayes, Bret (Department: 3641)
Ordnance
Automatic
Gas piston type
Reexamination Certificate
active
07610844
ABSTRACT:
An M4 type automatic or semi-automatic firearm having an indirect gas operating system. A bolt assembly has a striking surface. The bolt assembly is enclosed within an M4 type receiver assembly. A barrel assembly having a bore is coupled to the receiver assembly. A gas block having a cylinder is fitted to the barrel assembly with the cylinder in communication with the bore. A piston and rod assembly has a piston and a striking rod, with the piston fitted to the cylinder. Gas discharged from a fired cartridge displaces the piston and causes the striking rod to strike the striking surface displacing the bolt assembly.
REFERENCES:
patent: 2457835 (1949-01-01), Schiff
patent: 2462119 (1949-02-01), Moore
patent: 3592101 (1971-07-01), Vartanian
patent: 3618457 (1971-11-01), Miller
patent: 3709092 (1973-01-01), Tazome
patent: 3810412 (1974-05-01), Zamacola
patent: 3945296 (1976-03-01), Hyytinen
patent: 4174654 (1979-11-01), Liedke
patent: 4433610 (1984-02-01), Tatro
patent: 4658702 (1987-04-01), Tatro
patent: 5351598 (1994-10-01), Schuetz
patent: 5726377 (1998-03-01), Harris et al.
patent: 5760328 (1998-06-01), Robbins
patent: 5824943 (1998-10-01), Guhring et al.
patent: 2005/0241470 (2005-11-01), Hochstrate et al.
patent: WO2007/014770 (2007-08-01), None
Dorsey Josh
Kuczynko Grzegorz
Colt Defense LLC
Hayes Bret
Perman & Green LLP
LandOfFree
Firearm having an indirect gas operating system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Firearm having an indirect gas operating system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Firearm having an indirect gas operating system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4140254