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. 15, 1994
Filed:
Oct. 02, 1992
Applicant:
Inventors:
Masataka Shimotsusa, Kobe, JP;
Masao Toyama, Kobe, JP;
Sinichi Ohnishi, Kobe, JP;
Takahiko Nagamatsu, Kobe, JP;
Takenori Nakayama, Kobe, JP;
Assignee:
Kabushiki Kaisha Kobe Seiko Sho, Kobe, JP;
Primary Examiner:
Int. Cl.
CPC ...
C22C / ; C22C / ;
U.S. Cl.
CPC ...
148335 ; 148908 ; 420109 ;
Abstract
Disclosed is a high-strength spring steel containing C, Si, Mn, Ni, Cr, Mo, V and the like within the specified range, wherein the above components satisfy the following equation: