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:
Jun. 04, 1991
Filed:
Jan. 30, 1990
Applicant:
Inventors:
Yoshiatsu Sawaragi, Nishinomiya, JP;
Nobuyuki Maruyama, Amagasaki, JP;
Assignee:
Sumitomo Metal Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ; C22C / ; C22C / ;
U.S. Cl.
CPC ...
4205841 ; 420 44 ; 420 46 ; 420 47 ; 420 48 ; 420 52 ; 420 53 ; 420 54 ; 420 55 ; 420452 ; 420453 ; 148327 ; 148442 ; 148427 ;
Abstract
A high-strength, heat-resistant steel with improved formability is disclosed, which consists essentially of, by weight %: