FR459537A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Film enhancements for the simultaneous recording of moving pictures and sounds, and for the reproduction of those sights and sounds
Assignee: Individual
•
Filing: 1913-05-29
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Granted: 1913-11-07
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Expires: 1933-05-29
Abstract
No abstract record available.
Inventors
- 👤 Allen Aaron Canton
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 11:35
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/12; G03C5/14; G03B; G03B31/00; G11; G11B; G11B13/00; G11B13/04
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