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:
Feb. 17, 1976
Filed:
Sep. 05, 1974
Applicant:
Inventor:
Albert G Hartline, III, Tarentum, PA (US);
Assignee:
Allegheny Ludlum Industries, Inc., Pittsburgh, PA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
75122 ; 7512 / ; 7512 / ;
Abstract
A substantially non-porous, austenitic stainless steel that is resistant to chloride pitting and a method of making it are disclosed. The steel includes from 21-45% manganese, from 10-30% chromium, from 1-4% nickel, from 0.85-3% nitrogen, up to 2% silicon, up to 1% carbon and the balance iron and residuals. In addition to containing elements within the above-noted composition ranges, the alloys must be such that:
Hartline, III, Albert. (1976). Method of making corrosion resistant austenitic steel (U.S. Patent No. 3938990). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3938990
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile