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:
Dec. 23, 1986
Filed:
Sep. 11, 1985
Applicant:
Inventors:
Michael P Chouinard, Newark, DE (US);
Lewis C Bancroft, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
360 16 ;
Abstract
Thermoremanent duplication of a magnetic tape particularly adapted to laser heating whereby a copy tape is heated and cooled, for example, in a nip of two rolls while in contact with a master tape.
Chouinard, Michael. (1986). Process for thermoremanent duplication of magnetic tapes using (U.S. Patent No. 4631602). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4631602
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile