FR657324A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Cinematographic device allowing projection on large screens placed at a short distance from the device
Assignee: Antoine-Gabriel Rousseau
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Filing: 1927-11-23
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Granted: 1929-05-21
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Expires: 1947-11-23
Abstract
No abstract record available.
Inventors
- 👤 Antoine-Gabriel Rousseau
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 23:36
CPC Classifications
G; G03; G03B; G03B37/00
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