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:
May. 17, 2011
Filed:
May. 07, 2009
Applicant:
Brian Hoffman, Bangor, PA (US);
Inventor:
Brian Hoffman, Bangor, PA (US);
Assignee:
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F41A 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An blank firing attachment, with enhanced operating life, for use with gas-operated weapons; wherein, a tungsten carbide stem extending from the attachment is inserted into the bore of the weapon's barrel, the stem having a cross-sectional area less than the cross-sectional area of the bore, to provide backpressure within the barrel to properly cycle the weapon.