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. 15, 1980
Filed:
Apr. 04, 1979
Applicant:
Inventor:
Irving Erlichman, Wayland, MA (US);
Assignee:
Polaroid Corporation, Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
352130 ; 352 / ;
Abstract
Method and apparatus for releasing processing fluid from a fluid applicator within a film cassette by causing a sealed area of the applicator to open in response to a predetermined amount of thermal energy being applied thereto. Such applicator has a sealing device which device is responsive to the application of the predetermined thermal energy to open and release the fluid. A mechanism, for actuating the sealing device, is provided for facilitating application of such energy to the applicator.