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:
Jul. 19, 1977
Filed:
Jul. 06, 1976
Applicant:
Inventor:
Georges A Gevers, Liege, BE;
Assignee:
Fabrique Nationale Herstal S.A. en abrege FN, Herstal, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F41C / ;
U.S. Cl.
CPC ...
42 7 / ;
Abstract
The invention pertains to an improvement to gun barrels of the type provided with a fixing and guiding ring having a base which is brazed or welded on to the barrel, wherein the aforesaid base has, on at least one of its transverse faces (with respect to the axis of the barrel), a groove or chink near said base.