FR489760A
Expired / Lapsed
FR
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Exhaust pump device
Assignee: GABRIEL-MARIE DUPUIS
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Filing: 1918-04-15
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Granted: 1919-03-11
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Expires: 1938-04-15
Abstract
No abstract record available.
Inventors
- 👤 Gabriel-Marie Dupuis
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 19:11
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/02; F04B53/00; F04B53/10; F04B53/1037; F04B53/1047; F04B53/1057
Claims Analysis
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References Cited (Backward Citations)
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