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:
May. 01, 1984
Filed:
Sep. 17, 1981
Applicant:
Inventors:
Darrell F Smith, Jr, Huntington, WV (US);
Edward F Clatworthy, Huntington, WV (US);
Assignee:
Huntington Alloys, Inc., Huntington, WV (US);
Primary Examiner:
Int. Cl.
CPC ...
C21D / ; C22F / ;
U.S. Cl.
CPC ...
148 123 ; 148 / ; 148 / ; 148 31 ; 148142 ; 148158 ; 148162 ; 148409 ; 148410 ; 148419 ;
Abstract
Directed to an overaging heat treatment applied to age-hardenable nickel-iron controlled expansion alloys so as to contribute high notch strength at temperatures on the order of about 1000.degree. F. thereto.