1974-04-23
1976-03-23
Horan, John M.
G03B 1900
Patent
active
039464113
ABSTRACT:
A film cassette comprising an outer case containing monosheets therein and having a front wall defining an opening, through which said monosheets may be exposed, an end wall defining a removal passage, through which said exposed monosheets may pass, and another end wall defining an insertion passage, and a lightproof protective board, which is locatable in a foremost position in said cassette to protect said monosheets from exposure to light through said front opening, is removable from said cassette through said removal passage, and is insertable into said foremost position through said insertion passage.
REFERENCES:
patent: 2628545 (1953-02-01), Kurnick
patent: 3595661 (1971-07-01), Gold
Asano Yoshio
Ohkubo Kinji
Fuji Photo Film Co. , Ltd.
Horan John M.
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