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:
Jan. 04, 1977
Filed:
Apr. 09, 1975
Applicant:
Inventor:
Tamotsu Takahashi, Tokyo, JA;
Assignee:
Copal Company Limited, Toyko, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354207 ; 354213 ;
Abstract
A photographic camera of a type using film cartridges, comprising a sensing lever which can cooperate with a film contained in a film cartridge and a control lever engaged with said sensing lever so as to make a release button operatable only when the film has been completely wound up in case the cartridge is mounted on a camera body so that the operating stroke of the release button may be small and the structure may be simplified.