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:
Oct. 10, 1978
Filed:
Sep. 09, 1977
Applicant:
Inventors:
Hiroshi Iwata, Nara, JP;
Tetsuo Yamaoka, Osaka, JP;
Assignee:
West Electric Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354289 ; 354 83 ;
Abstract
A camera using an instant print film wherein when the environmental temperature is outside the permissible temperature range in which a print with satisfactory qualities may be obtained, a light emitting element lights up, giving an alarm signal to a user indicating that he must adjust a developing time interval and/or an exposure value so that an optimum print may be obtained.
Iwata, Hiroshi. (1978). Camera using instant print film (U.S. Patent No. 4119988). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4119988
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile