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:
Oct. 17, 1978
Filed:
Jul. 13, 1977
Applicant:
Inventors:
Allen Ronald Cox, Tucson, AZ (US);
Michael Robert Hatchett, Tucson, AZ (US);
Leonard John Rigbey, Tucson, AZ (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
274 / ; 358128 ; 360102 ;
Abstract
A stabilizing backing plate for a rotating flexible record disk has a bearing surface with a smooth finish to prevent disk wear. A plurality of depressions in the backing plate trap air to prevent the flexible disk from adhering to the backing plate during start-up.
Cox, Allen. (1978). Stabilizing backing plate for a flexible disk store (U.S. Patent No. 4120505). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4120505
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile