Patent FR771693A successfully refreshed from Google Patents.
FR771693A
Expired / Lapsed
FR
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Slab with retractable self-illuminating device
Assignee: Villette
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Filing: 1933-07-13
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Granted: 1934-10-13
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Expires: 1953-07-13
Abstract
No abstract record available.
Inventors
- 👤 Villette
- 👤 Amsler
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-07 15:06
CPC Classifications
E; E01; E01F; E01F9/00; E01F9/50; E01F9/553; E01F9/565; E01F9/571
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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