Patent FR700970A successfully refreshed from Google Patents.
FR700970A
Expired / Lapsed
FR
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Pumping unit adjustable in position in the well which receives it, and capable of floating
Assignee: Andre Ruppen
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Filing: 1930-08-22
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Granted: 1931-03-10
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Expires: 1950-08-22
Abstract
No abstract record available.
Inventors
- 👤 Andre Ruppen
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 03:17
CPC Classifications
E; E03; E03B; E03B5/00; E03B5/04
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Total Claims: 0
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References Cited (Backward Citations)
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