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. 19, 1991
Filed:
Dec. 15, 1989
Applicant:
Inventors:
Lee P Bendel, Lebanon, NJ (US);
Timothy A Sardelis, Somerset, NJ (US);
Assignee:
Ethicon, Inc., Somerville, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ; C22C / ; C21D / ;
U.S. Cl.
CPC ...
420 34 ; 148 / ; 148325 ; 148326 ; 420 57 ; 420 48 ; 420 52 ; 420 67 ; 420 68 ;
Abstract
A needle alloy wherein the nickel content is between 6.3% and 9.5%, the chromium content is between 11.5% and 12.5% and the molydenum content is between 3% and 4%. In addition, tantalum and titanium should be present at a combined level of no more than 2.1%. Favorable results from this alloy cause needles to have a greater than 400,000 psi ultimate tensile strength.