DE852386C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device with shaped charges for use in boreholes
Assignee: Services Petroliers Schlumberger SA
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Filing: 1951-05-01
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Granted: 1952-10-13
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Expires: 1971-05-01
Abstract
No abstract record available.
Inventors
- 👤 Maxime Felix Benoit Picard
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-06 10:26
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/11; E21B43/116; E21B43/117; F; F42; F42B; F42B1/00; F42B1/02; F42B1/024; F42B3/00; F42B3/08
Claims Analysis
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References Cited (Backward Citations)
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