FR559834A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
air purifier
Assignee: Jean Daumas
•
Filing: 1922-12-15
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Granted: 1923-09-22
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Expires: 1942-12-15
Abstract
No abstract record available.
Inventors
- 👤 Jean Daumas
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 09:59
CPC Classifications
B; B01; B01D; B01D45/00; B01D45/12; B01D45/14
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References Cited (Backward Citations)
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