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:
Jul. 26, 1994
Filed:
Aug. 16, 1993
Applicant:
Inventors:
Yoshihiro Uematsu, Yamaguchi, JP;
Katsuhisa Miyakusu, Yamaguchi, JP;
Naoto Hiramatsu, Yamaguchi, JP;
Assignee:
Nisshin Steel Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
420 40 ; 420 63 ;
Abstract
A ferric stainless steel consists by weight of less than 0.03% carbon, less than 1% silicon, less than 1% manganese, less than 0.04% phosphorus, less than 0.03% sulphur, from 15% to 25% chromium, less than 0.03% nitrogen, from 3% to 6% aluminum, from 0.1% to 4% molybdenum. A small amount of rare-earth elements and yttrium of from 0.01% to 0.15% are added in the steel.