FR387097A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Drilling tool
Assignee: WALKER BROTHERS WIGAN Ltd SOC
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Filing: 1908-02-07
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Granted: 1908-06-30
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Expires: 1928-02-07
Abstract
No abstract record available.
Inventors
- 👤 Frederick Thomas
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-07 23:02
CPC Classifications
E; E21; E21B; E21B10/00; E21B10/36
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References Cited (Backward Citations)
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