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. 08, 1985
Filed:
Jun. 15, 1982
Applicant:
Inventor:
Clifford E McLain, Fairfax Station, VA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F41C / ;
U.S. Cl.
CPC ...
89 143 ;
Abstract
A matched expansion muzzle brake aligned with the forward end of a firearm barrel and bore including a tube having a through bore equal to and coincident with the barrel bore; outwardly diverging gas port means opening into said through bore; the gas port means including narrow throat means adjacent the opening into the through bore; and the narrow throat means having a cross-sectional area substantially equal to the cross-sectional area of the through bore.