FR508380A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to rotary pumps
Assignee: Individual
•
Filing: 1920-01-13
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Granted: 1920-10-08
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Expires: 1940-01-13
Abstract
No abstract record available.
Inventors
- 👤 Norman Giles Beckwith
- 👤 Walter Pelmore
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 10:37
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/24; F04C14/26; F01; F01C; F01C1/00; F01C1/30; F01C1/34; F01C1/356; F01C1/3562; F01C1/3564
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References Cited (Backward Citations)
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