Patent US3530754A successfully refreshed from Google Patents.
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DE613178C
Expired / Lapsed
DE
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Electric light tubes with metal vapor filling, in the interior of which there is a glass tube, which is closed on both sides and axially supported, between the electrodes
Assignee: Osram GmbH
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Filing: 1934-03-30
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Granted: 1935-05-16
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Expires: 1954-03-30
Abstract
No abstract record available.
Inventors
- 👤 Dr-Ing Kurt Wiegand
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 20:51
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/02; H01J61/52; H01J61/04; H01J61/10; H01J61/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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