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:
Feb. 19, 1985
Filed:
Jan. 06, 1983
Applicant:
Inventor:
Kowji Tanikawa, Tokyo, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ; G03B / ;
U.S. Cl.
CPC ...
354 21 ; 354217 ; 354275 ; 242 712 ;
Abstract
A film cassette provided with a RAM semiconductor memory for storing data relative to a film contained in the film cassette. The data stored in the RAM is updated at every photographing shot, and the updated data is displayed on a display device.
Quick Actions:
Tanikawa, Kowji. (1985). Film cassette and a photographing device using the same (U.S. Patent No. 4500183). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4500183
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