FR762484A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device intended to illuminate a limited part of a surface or space and suppress cast shadows
Assignee: Henri Pierre Marie Cretin
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Filing: 1933-01-06
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Granted: 1934-04-12
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Expires: 1953-01-06
Abstract
No abstract record available.
Inventors
- 👤 Henri Pierre Marie Cretin
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 06:37
CPC Classifications
F; F21; F21V; F21V7/00; F21V7/04; F21V7/09
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References Cited (Backward Citations)
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