Ordnance – Automatic – Gas piston type
Reexamination Certificate
2005-03-22
2005-03-22
Johnson, Stephen M. (Department: 3641)
Ordnance
Automatic
Gas piston type
C089S192000
Reexamination Certificate
active
06868770
ABSTRACT:
A gas porting structure for an autoloading gun, wherein the structure consists of an insert fitting within a slot cut laterally thru the gun barrel and wherein one or more slot like gas ports are formed thru the insert in a longitudinal direction generally axial of the barrel.
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patent: 3893370 (1975-07-01), Hutton et al.
patent: 216186 (1941-08-01), None
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patent: 455791 (1913-08-01), None
patent: 787074 (1936-02-01), None
patent: 461041 (1937-02-01), None
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