Patent FR318601A successfully refreshed from Google Patents.
FR318601A
Expired / Lapsed
FR
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Improvements to centrifugal fans, in general, but particularly to large mining devices, etc.
Assignee: Individual
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Filing: 1902-02-11
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Granted: 1902-10-21
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Expires: 1922-02-11
Abstract
No abstract record available.
Inventors
- 👤 Courtois
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 00:43
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/44; F04D29/46; F04D29/462
Claims Analysis
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References Cited (Backward Citations)
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