FR809856A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Mold core for the formation of cells in all hollow concrete masses, reinforced or not
Assignee: Andre Jean Rizet
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Filing: 1935-12-02
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Granted: 1937-03-11
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Expires: 1955-12-02
Abstract
No abstract record available.
Inventors
- 👤 Andre Jean Rizet
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 10:52
CPC Classifications
B; B28; B28B; B28B21/00; B28B21/86; B28B21/88
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