Patent FR540400A successfully refreshed from Google Patents.
FR540400A
Expired / Lapsed
FR
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Device for animated or fixed cinematographic projections, allowing to obtain a great sharpness in the relief and the depth
Assignee: Pierre Lefebure
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Filing: 1921-01-29
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Granted: 1922-07-10
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Expires: 1941-01-29
Abstract
No abstract record available.
Inventors
- 👤 Pierre Lefebure
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-09 15:23
CPC Classifications
G; G03; G03B; G03B35/00
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Total Claims: 0
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