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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.:

US 4877667 B1

PDFFull Text
Date of Patent:
Oct. 31, 1989

Filed:

Mar. 04, 1988

Optical disc with inhibited thermal distortion

Applicant:
Inventors:

Michinobu Hattori, Amagaski, JP;

Hidemitsu Fujisawa, Amagaski, JP;

Akio Kusaura, Amagaski, JP;

Assignee:

Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;

Attorney:

Sughrue, Mion, Zinn, Macpeak and Seas

Primary Examiner:

Ellis P Robinson

Assistant Examiner:

P J Ryan

Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428 64 ; 428 65 ; 428212 ; 428412 ; 428900 ; 428913 ; 430945 ; 369280 ; 369282 ; 369289 ; 369290 ; 346 / ; 3461351 ;

Find Patent Forward Citations

Hattori, Michinobu. (1989). Optical disc with inhibited thermal distortion (U.S. Patent No. 4877667). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4877667

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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