FR746249A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Electric lamp with semi-indirect lighting
Assignee: Lucien-Marcel Decouleur
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Filing: 1932-11-23
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Granted: 1933-05-24
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Expires: 1952-11-23
Abstract
No abstract record available.
Inventors
- 👤 Lucien-Marcel Decouleur
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-07 10:52
CPC Classifications
H; H01; H01K; H01K1/00; H01K1/28; H01K1/32
Claims Analysis
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References Cited (Backward Citations)
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