FR457604A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Concentric drum air filter
Assignee: JEAN-FREDERIC-PAUL KESTNER
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Filing: 1913-03-29
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Granted: 1913-09-22
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Expires: 1933-03-29
Abstract
No abstract record available.
Inventors
- 👤 Jean-Frederic-Paul Kestner
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 01:06
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/02; B01D46/04; B01D46/66; B01D46/70; B01D46/71; B01D50/00; B01D50/20
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References Cited (Backward Citations)
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