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:
Sep. 01, 1981
Filed:
Aug. 01, 1979
Applicant:
Inventor:
Paul R Borneman, Sarver, PA (US);
Assignee:
Allegheny Ludlum Steel Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ; C22C / ;
U.S. Cl.
CPC ...
7512 / ; 75124 ; 75125 ; 7512 / ; 148-2 ; 148 / ; 148 37 ;
Abstract
Careful control of chemistry, and in particular niobium, and of annealing temperatures provides a ferritic stainless steel of improved creep strength. Annealing is performed at a temperature of at least 1900.degree. F., and in certain embodiments, at a temperature no higher than 1990.degree. F.
Borneman, Paul. (1981). Ferritic stainless steel and processing therefor (U.S. Patent No. 4286986). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4286986
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile