logo

For the Inventor, By the Inventor

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 4804992 B1

PDFFull Text
Date of Patent:
Feb. 14, 1989

Filed:

Jun. 29, 1987

Photographic film package

Applicant:
Inventors:

Motonori Moriyama, Tokyo, JP;

Ikuo Fujimura, Tokyo, JP;

Tsutomu Tanaka, Tokyo, JP;

Takeshi Watanabe, Tokyo, JP;

Assignee:

Fuji Photo Film Co., Ltd., Kanagawa, JP;

Attorney:

Young & Thompson

Primary Examiner:

Russell E Adams

Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354471 ; 3542271 ; 3542891 ; 354465 ;
Abstract

A disposable film package of the type having a taking lens comprises a film casing; a film cartridge containing a high speed film therein in said film casing; a viewfinder; and a scene brightness indicating member disposed in the viewfinder. The indicating member becomes visible or invisible according to scene brightness conditions. When the indicating member becomes visible, the photographer is thus given warning that an improper exposure would result.

Find Patent Forward Citations

Moriyama, Motonori. (1989). Photographic film package (U.S. Patent No. 4804992). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4804992

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

Loading…