DE674471C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device to protect against loosening of the bell jar in incandescent lamp fittings
Assignee: MARTIN GEILER
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Filing: 1935-10-13
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Granted: 1939-04-14
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Expires: 1955-10-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-30 20:29
CPC Classifications
F; F21; F21V; F21V17/00; H; H01; H01R; H01R33/00; H01R33/975
Claims Analysis
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References Cited (Backward Citations)
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