FR618163A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to electric lighting devices
Assignee: Louis Delanne
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Filing: 1926-06-26
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Granted: 1927-03-04
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Expires: 1946-06-26
Abstract
No abstract record available.
Inventors
- 👤 Louis Delanne
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 23:16
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/14; F21V21/26
Claims Analysis
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References Cited (Backward Citations)
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