FR649914A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to cinematographic projection devices
Assignee: Jules-Eugene Labrin
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Filing: 1927-08-01
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Granted: 1928-12-29
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Expires: 1947-08-01
Abstract
No abstract record available.
Inventors
- 👤 Jules-Eugene Labrin
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 15:51
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/43; G03B21/44
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References Cited (Backward Citations)
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