DE707372C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Mobile, swiveling tower for deep drilling purposes
Assignee: MANNESMANN TRAUZL A G TIEFBOHR
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Filing: 1938-10-22
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Granted: 1941-06-20
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Expires: 1958-10-22
Abstract
No abstract record available.
Inventors
- 👤 Dipl-Ing Herwig Rietsch
- 👤 Dr-Ing Hans Schimmel
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-30 07:09
CPC Classifications
E; E21; E21B; E21B7/00; E21B7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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