FR1169760A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
multi-piece mine prop
Assignee: Karl Gerlach
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Filing: 1957-03-18
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Granted: 1959-01-06
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Expires: 1977-03-18
Abstract
No abstract record available.
Inventors
- 👤 Karl Gerlach
- 👤 Hans Gerlach
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 18:11
CPC Classifications
E; E21; E21D; E21D15/00; E21D15/14; E21D15/28; E21D15/32; E21D15/325
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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