FR508492A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Reinforced concrete boards applicable to construction
Assignee: Individual
•
Filing: 1916-05-19
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Granted: 1920-10-13
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Expires: 1936-05-19
Abstract
No abstract record available.
Inventors
- 👤 Hector Gerard
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 08:58
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/04; E04C2/06; E04C2/30; E04C2/34; E04C2/36
Claims Analysis
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References Cited (Backward Citations)
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