FR968571A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
improved electrodes for "lightning" lamps or tubes
Assignee: Compagnie des Lampes
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Filing: 1948-01-30
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Granted: 1950-11-30
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Expires: 1968-01-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 13:49
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/02; H01J61/04; H01J61/06; H01J61/073; H01J61/0732
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