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FR41707E Expired / Lapsed FR ⏱️ 0.0 years remaining

Advanced viewfinder with end-of-film indicator for cinematic cameras

Assignee: FR DU PATHE BABY SOC
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Filing: 1931-11-23
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Granted: 1933-03-29
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Expires: 1951-11-23
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-08 23:15
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/18

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