FR731410A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
trench prop
Assignee: Samac S A
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Filing: 1932-02-15
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Granted: 1932-09-02
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Expires: 1952-02-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 19:31
CPC Classifications
E; E21; E21D; E21D15/00; E21D15/02; E21D15/06; E21D15/08; E21D15/14; E21D15/16; E21D15/20
Claims Analysis
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References Cited (Backward Citations)
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