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:
Jun. 28, 1983
Filed:
Jul. 02, 1980
Applicant:
Inventors:
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
428412 ; 204192 ; 2041 / ; 2041 / ; 427 50 ; 427131 ; 427132 ; 427250 ; 4272552 ; 4272553 ; 4272556 ; 4272557 ; 427294 ; 427295 ; 427296 ; 4284777 ; 428480 ; 428484 ; 428522 ; 428532 ; 428695 ; 428900 ;
Abstract
A magnetic recording medium comprising a non-magnetic support having thereon a vapor-deposited solid film of a ferromagnetic material formed by vacuum evaporation, on the surface of said magnetic recording medium being further provided a vapor deposited film of an organic lubricant, a macromolecular material or a mixture thereof.
Ono, Yoshihiro. (1983). Magnetic recording medium and process for the production thereof (U.S. Patent No. 4390601). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4390601
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile