FR652489A
Expired / Lapsed
FR
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Electric bulb combined with a subject
Assignee: Ditisheim
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Filing: 1928-01-31
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Granted: 1929-03-08
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Expires: 1948-01-31
Abstract
No abstract record available.
Inventors
- 👤 Ditisheim
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 06:53
CPC Classifications
B; B44; B44C; B44C5/00; B44C5/06; F; F21; F21S; F21S6/00; F21S6/002; G; G09; G09F; G09F13/00; G09F13/04; F21W; F21W2121/00
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References Cited (Backward Citations)
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