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:
Mar. 31, 1981
Filed:
Sep. 14, 1979
Applicant:
Inventors:
William L Cole, Camberley, GB;
Geoffrey Stott, Ruislip Manor, GB;
Humphrey G Bowden, Twickenham, GB;
Assignee:
Wilkinson Sword Limited, Buckinhamshire, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C21D / ; C21D / ;
U.S. Cl.
CPC ...
148 / ; 3034653 ; 3034654 ; 75124 ; 7512 / ; 148 123 ; 148 124 ; 148130 ;
Abstract
This invention provides a steel alloy, for use for razor blades, the ranges of composition of which are given in the table below, the first column giving the maximum range for the alloy elements and impurities (the balance being iron), the second column giving a narrower preferred range, whilst the third column gives a particularly advantageous composition: