FR1183307A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Advanced drilling rigs
Assignee: Hew Dalrymple Fanshawe
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Filing: 1957-09-24
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Granted: 1959-07-06
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Expires: 1977-09-24
Abstract
No abstract record available.
Inventors
- 👤 Hew Dalrymple Fanshawe
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 16:02
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/20
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References Cited (Backward Citations)
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