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.

Date of Patent:
Feb. 24, 1987

Filed:

May. 01, 1986
Applicant:
Inventors:

Joseph A Stella, Peabody, MA (US);

Alfred E Corrigan, Peabody, MA (US);

Assignee:

Polaroid Corporation, Cambridge, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
354180 ; 354217 ; 354277 ; 3542891 ;
Abstract

Apparatus having a first chamber, for receiving a film cassette containing a plurality of film units of the instant type, and a second chamber, into which the film units are adapted to be sequentially advanced subsequent to their photographic exposure. The second chamber includes a film counter mounted in lighttight relation therewith for indicating the number of exposed film units contained within the second chamber.


Find Patent Forward Citations

Loading…