DE637586C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Double-acting valveless diaphragm pump, especially deep well pump
Assignee: Individual
•
Filing: 1934-12-08
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Granted: 1939-06-15
•
Expires: 1954-12-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 14:29
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/02; F04B43/021; F04B43/025; F04B43/026; F04B43/12; F04B43/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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