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. 05, 1980
Filed:
Aug. 16, 1978
Applicant:
Inventor:
Sunao Ishizaka, Tokyo, JP;
Assignee:
Nippon Kogaku K.K., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
354152 ; 354155 ; 354200 ;
Abstract
A finder screen-supporting apparatus for a single-lens reflex camera with an interchangeable focusing screen, comprises a screen support frame attachable to the camera body and directly supporting the focusing screen by four ends thereof, and a spring member pressing the focusing screen to the focal position and fixing said screen in said position upon attaching said frame to said camera body.