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:
Sep. 28, 1993
Filed:
Jan. 24, 1992
Applicant:
Inventor:
Hiroyuki Imataki, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
369283 ; 369288 ; 360133 ; 360135 ;
Abstract
An optical recording medium, comprising a substrate and a recording layer covered on the outer surface with a protective member comprising a heat-shrinkable material subjected to heat shrinkage, a process for preparing the same and its optical recording and reproducing system.
Imataki, Hiroyuki. (1993). Optical recording medium, process for preparing the same and its optical (U.S. Patent No. 5249176). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5249176
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