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:
Jul. 13, 1982
Filed:
Apr. 10, 1980
Applicant:
Inventor:
Norman P Gruczelak, Thousand Oaks, CA (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360 97 ;
Abstract
Disk file wherein the disk-drive spindle is journalled in a partition which separates a sealed housing into two compartments, the disk or disks are in one compartment and a blower also mounted on the spindle is in the other compartment.
Gruczelak, Norman. (1982). Air-flow system for a disk file (U.S. Patent No. 4339777). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4339777
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile