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:
Apr. 27, 1976
Filed:
Aug. 16, 1974
Applicant:
Inventors:
Stanley M Bloom, Waban, MA (US);
James W Foley, Andover, MA (US);
Nicholas S Hadzekyriakides, Arlington, MA (US);
Assignee:
Polaroid Corporation, Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354275 ; 354 86 ; 354 88 ;
Abstract
A photographic film assembly which comprises a cassette; a supply of photographic film disposed within the cassette; a battery positioned within the cassette which includes one or more cells containing an aqueous electrolyte possessing an ionizable ammonium salt, and gas collector means consisting essentially of an absorbent carbon positioned within the cassette for capture of volatile effluvia liberated by the battery.