FR49327E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Projector refinements
Assignee: Compagnie des Lampes
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Filing: 1938-03-25
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Granted: 1939-02-17
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Expires: 1958-03-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 06:56
CPC Classifications
H; H01; H01K; H01K3/00; H01K3/26; G; G03; G03B; G03B21/00; G03B21/14; G03B21/20; H01K1/00; H01K1/40
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References Cited (Backward Citations)
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