The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 10, 1989
Filed:
Jan. 11, 1988
Thomas P Powers, Herkimer, NY (US);
Earl E Seppala, Hockessin, DE (US);
James C Young, Newark, DE (US);
Remington Arms Company, Wilmington, DE (US);
Abstract
Auto loading gas operated firearm capable of handling a variety of ammunition loads having one or more gas relief valves for the initial volume of the gas cylinder of the firearm, the valves having a leaf spring covering the gas apertures to control the flow of gas from the initial volume of the gas cylinder, and a shaped geometric body interposed between the spring and each aperture that interacts with the spring and aperture to form a seal footprint which is a circular line or ring, the spring preferably operating in a plane substantially perpendicular to the recoil axis of the firearm.