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. 25, 1978
Filed:
Sep. 17, 1976
Applicant:
Inventors:
Seishu Mitani, Kyoto, JA;
Tsuneo Kudo, Hachiouji, JA;
Minoru Mitani, Kyoto, JA;
Shuichi Saido, Hasuda, JA;
Assignee:
Japan Powder Metallurgy Co., Ltd., Tokyo, JA;
Primary Examiner:
Int. Cl.
CPC ...
B22F / ;
U.S. Cl.
CPC ...
428550 ; 428553 ; 75243 ; 75246 ; 74572 ;
Abstract
Disclosed is a flywheel assembly for recording and or reproducing devices which is produced by molding and sintering a mixture consisting principally of iron and graphite powders and, if necessary, a sulfur powder.
Mitani, Seishu. (1978). Flywheel for recording and or reproducing apparatus (U.S. Patent No. 4086390). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4086390
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile