FR849471A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method and device for reducing the resistance of water in the propulsion of ships and other craft
Assignee: Leon Vidal
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Filing: 1938-08-01
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Granted: 1939-11-24
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Expires: 1958-08-01
Abstract
No abstract record available.
Inventors
- 👤 Leon Vidal
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-09 13:13
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/32; B63B1/34; B63B1/38; B63B2001/387; Y; Y02; Y02T; Y02T70/00; Y02T70/10
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