FR505180A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Photographic and cinematographic screens showing the projected plane images in relief
Assignee: ALAIN-VICTOR-FRANCIS MARION
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Filing: 1919-07-28
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Granted: 1920-07-24
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Expires: 1939-07-28
Abstract
No abstract record available.
Inventors
- 👤 Alain-Victor-Francis Marion
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-07 01:50
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; G03B21/56; G03B21/60; G03B21/606
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