FR572903A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Further development in the construction of multi-electrode lamps
Assignee: Armand-Julien-Gabri Maussier-D
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Filing: 1923-01-23
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Granted: 1924-06-16
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Expires: 1943-01-23
Abstract
No abstract record available.
Inventors
- 👤 Armand-Julien-Gabri Maussier-D
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 19:56
CPC Classifications
H; H01; H01K; H01K1/00; H01K1/42; H01K1/46
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