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:
Nov. 14, 1978
Filed:
May. 17, 1976
Applicant:
Inventors:
John Kanne, Ashtabula, OH (US);
Harry E Deverell, Natrona Heights, PA (US);
Assignee:
True Temper Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B / ;
U.S. Cl.
CPC ...
273 / ; 75124 ; 7512 / ; 7512 / ; 148 37 ; 428586 ;
Abstract
An improved precipitation hardening or maraging stainless steel for use in Tubular Sporting Implements, particularly golf shafts containing chromium, molybdenum and nickel, the sum of said chromium, molybdenum and nickel being at least 18% and not exceeding 25%, at least one element selected from the group consisting of aluminum and titanium in a maximum of 1.30%, carbon in a maximum amount of 0.06%, manganese 0.50% maximum, silicon 0.30% maximum, the balance being essentially iron and incidental impurities.