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:
May. 16, 1989
Filed:
Jan. 29, 1988
Applicant:
Inventors:
Yoshitake Kato, Yuki, JP;
Hiroshi Maruyama, Toride, JP;
Assignee:
Hitachi Maxwell, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360 9912 ;
Abstract
A recording disc cartridge, having a disc supporting plate with a contacting surface to which a recording disc is secured, wherein the contacting surface is used for detachably contacting a reference surface of a disc drive device so as to provide for easy correction positioning of the recording disc relative to the reference surface of the disc drive.
Kato, Yoshitake. (1989). Disc drive assembly for supporting a recording disc (U.S. Patent No. 4831478). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4831478
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile