DE642722C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Electric gas discharge lamp with noble gas, in particular helium gas, and positive column discharge
Assignee: Claude Lumiere SA Pour Les App
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Filing: 1932-01-22
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Granted: 1937-03-13
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Expires: 1952-01-22
Abstract
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Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 18:49
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/02; H01J17/04; H01J17/06; H01J17/066; H01J2893/00; H01J2893/0064; H01J2893/0065; H01J2893/0066
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