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:
Jan. 26, 1999
Filed:
Apr. 11, 1997
Applicant:
Inventor:
Murray B Blumberg, Sandton, ZA;
Assignee:
Press Engineering (Proprietary) Company, Johannesburg, ZA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21F / ; B42F / ;
U.S. Cl.
CPC ...
29417 ; 29412 ; 29 13 ; 402-8 ; 402 14 ;
Abstract
A method of manufacturing a file fastener from a flat metal strip having top and bottom surfaces with narrow side surfaces therebetween, includes providing an elongate body portion. A prong extends from each end of the body portion, with at least the side surfaces of the prongs having a protective coating. The invention extends to a method of manufacturing a string of file fasteners, each file fastener being of a flat metal strip having an elongate body portion. A prong extends from each end of the body portion, with the file fasteners being connected via frangible bridges.