FR788053A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
temporary prop used in mines to support timbering
Assignee: Leon Courtinat
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Filing: 1935-03-29
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Granted: 1935-10-03
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Expires: 1955-03-29
Abstract
No abstract record available.
Inventors
- 👤 Leon Courtinat
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 12:31
CPC Classifications
E; E21; E21D; E21D15/00; E21D15/58; E21D15/581; E21D15/14; E21D15/16; E21D15/20
Claims Analysis
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References Cited (Backward Citations)
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