FR1040686A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Air filters
Assignee: Raymond Proust
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Filing: 1951-04-12
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Granted: 1953-10-16
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Expires: 1971-04-12
Abstract
No abstract record available.
Inventors
- 👤 Raymond Proust
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 21:59
CPC Classifications
F; F01; F01M; F01M13/00; F01M13/0033; F02; F02M; F02M35/00; F02M35/02; F02M35/024; F02M35/04
Claims Analysis
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References Cited (Backward Citations)
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