FR728568A
Expired / Lapsed
FR
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Rotary motor or pump
Assignee: Dimitri Nicolas Hapkins
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Filing: 1931-10-30
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Granted: 1932-07-07
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Expires: 1951-10-30
Abstract
No abstract record available.
Inventors
- 👤 Dimitri Nicolas Hapkins
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 13:11
CPC Classifications
F; F01; F01C; F01C21/00; F01C21/08; F01C21/0809; F01C21/0818; F01C21/0827; F01C21/0836; F01C1/00; F01C1/30; F01C1/34; F01C1/344; F01C1/3446
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References Cited (Backward Citations)
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