Patent DE697492C successfully refreshed from Google Patents.
DE697492C
Expired / Lapsed
DE
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Mixed air water lifter, especially for conveying sand and gravel
Assignee: Rheinmetall AG
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Filing: 1937-06-01
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Granted: 1940-10-15
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Expires: 1957-06-01
Abstract
No abstract record available.
Inventors
- 👤 Dr-Ing Friedrich Pickert
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 14:11
CPC Classifications
E; E21; E21D; E21D1/00; F; F04; F04F; F04F1/00; F04F1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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