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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.:

US 4144102 B1

PDFFull Text
Date of Patent:
Mar. 13, 1979

Filed:

Aug. 15, 1977

Production of low expansion superalloy products

Applicant:
Inventors:

Darrell F Smith, Jr, Huntington, WV (US);

Edward F Clatworthy, Huntington, WV (US);

Donald E Wenschhof, Jr, Huntington, WV (US);

Assignee:

The International Nickel Company, Inc., New York, NY (US);

Attorneys:

Kenny; Raymond J.

MacQueen; Ewan C.

Primary Examiner:

Arthur J Steiner

Int. Cl.
CPC ...
C21D / ; C22F / ; C22C / ; C22C / ;
U.S. Cl.
CPC ...
148-2 ; 148 / ; 148 / ; 148 123 ; 148 31 ; 148 325 ;
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.

Find Patent Forward Citations

Smith, Jr, Darrell. (1979). Production of low expansion superalloy products (U.S. Patent No. 4144102). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4144102

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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