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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 5403547 B1

PDFFull Text
Date of Patent:
Apr. 04, 1995

Filed:

Apr. 13, 1994

Oxidation resistant low expansion superalloys

Applicant:
Inventors:

John S Smith, Proctorville, OH (US);

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

Roneldo L Fisher, Huntington, WV (US);

Karl A Heck, Proctorville, OH (US);

Assignee:

Inco Alloys International, Inc., Huntington, WV (US);

Attorneys:

Biederman; Blake T.

Steen; Edward A.

Primary Examiner:

Deborah Yee

Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
420581 ; 420447 ; 420448 ; 420586 ;
Abstract

An oxidation resistant alloy containing iron, cobalt, nickel and at least 4 to 5% by weight aluminum having at least a duplex crystalline structure. One crystalline component of this structure is a gamma (fcc) phase having a gamma prime phase dispersed therein. The second crystalline component is enriched in aluminum compared to the first crystalline component and exhibits characteristics under X-ray diffraction and electron diffraction analysis of a BCC B2 structured phase.

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Smith, John. (1995). Oxidation resistant low expansion superalloys (U.S. Patent No. 5403547). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5403547

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

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