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. 03, 1978
Filed:
Jul. 08, 1976
Applicant:
Inventors:
Darrell Franklin Smith, Jr, Huntington, WV (US);
Edward Frederick Clatworthy, Huntington, WV (US);
Donald Edward Wenschhof, Jr, Huntington, WV (US);
Assignee:
Huntington Alloys, Inc., Huntington, WV (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ; C22C / ; C22C / ; C22C / ;
U.S. Cl.
CPC ...
75122 ; 75124 ; 7512 / ; 7512 / ; 7512 / ; 7512 / ; 7513 / ; 75171 ;
Abstract
Nickel-iron and nickel-iron-cobalt alloys contain chromium and gamma-prime hardening elements in proportions balanced according to special compositional relationships providing desired thermal expansion, inflection temperature, strength and ductility characteristics, particularly including notch strength needed in machinery and structures subjected in use to varying temperatures and thermal gradients where operating temperatures become elevated above 500.degree. F.