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. 20, 1987
Filed:
Aug. 19, 1985
Minoru Ono, Minami-ashigara, JP;
Teruyoshi Makino, Minami-ashigara, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
In an instant film pack of the type comprising a parallelepipedal housing having a flat top wall in which an exposure aperture is defined by a rectangular frame, and a pressure plate for urging instant film units obtained in the film pack against the frame for exposure. Structure is provided to prevent the surface of the film unit from receiving scratch marks when the film unit is withdrawn from the film pack. The scratch mark preventing structure comprises a plurality of prismatic protuberances arranged in a line transverse to the direction of film movement on the underside of the rear edge of the exposure aperture, the protuberances having ridge lines parallel to the direction of film movement.