Patent FR524688A successfully refreshed from Google Patents.
FR524688A
Expired / Lapsed
FR
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New interlocking construction block for walls and formwork
Assignee: Individual
•
Filing: 1920-09-21
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Granted: 1921-09-08
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Expires: 1940-09-21
Abstract
No abstract record available.
Inventors
- 👤 Raoul Steppe
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 16:16
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/02; E04B2/28; E04B2/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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