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FR866053A Expired / Lapsed FR ⏱️ 0.0 years remaining

Device of air conduits creating pressures and depressions to improve the efficiency of wind engines

Assignee: Paul Lavergne
•
Filing: 1940-02-27
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Granted: 1941-06-16
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Expires: 1960-02-27
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Abstract

No abstract record available.

Inventors

  • 👤 Paul Lavergne

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-26 15:38
CPC Classifications
F; F03; F03D; F03D1/00; F03D1/04; F05; F05B; F05B2240/00; F05B2240/10; F05B2240/13; F05B2240/133; F05B2250/00; F05B2250/50; F05B2250/501; F05B2250/5011; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72

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