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:
Apr. 04, 1995
Filed:
Mar. 31, 1993
Applicant:
Inventors:
Masaaki Tahara, Osaka, JP;
Haruo Senbokuya, Osaka, JP;
Kenzo Kitano, Osaka, JP;
Tadashi Hayashida, Osaka, JP;
Teruo Minato, Wakayama, JP;
Assignee:
Daidousanso Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C21D / ;
U.S. Cl.
CPC ...
148318 ;
Abstract
Nitrided stainless steel products having a base material of stainless steel containing austenitic stainless steel. At least a portion of the surface layer of the base material is composed of a nitrided hard layer in accordance with the following conditions (A) and (B):