FR983788A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Vacuum cleaner, anti-backflow
Assignee: Jean-Raoul-Norbert Giromagny
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Filing: 1949-03-29
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Granted: 1951-06-27
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Expires: 1969-03-29
Abstract
No abstract record available.
Inventors
- 👤 Jean-Raoul-Norbert Giromagny
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 21:59
CPC Classifications
F; F23; F23L; F23L17/00; F23L17/02; F23L17/08
Claims Analysis
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References Cited (Backward Citations)
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