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:
Mar. 27, 1990
Filed:
Mar. 31, 1989
Applicant:
Inventors:
Assignees:
Koyo Seiko Co., Ltd., Osaka, JP;
Nippon Koshuha Steel Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
420112 ; 420100 ; 148906 ;
Abstract
a high carbon chromium bearing steel having a carbon content from 0.8% to 1.2% by weight, and which is characterized by a nickel content of 1.0% to 2.0% by weight, a chromium content of 0.9% to 2.0% by weight, a silicon content of 1.0% to 2.0% by weight, and a sulfur combined and phosphorus content of 0.015% to 0.040% by weight.
Quick Actions:
Hyodo, Yoshiaki. (1990). High carbon chromium bearing steel (U.S. Patent No. 4911885). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4911885
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile