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FR762452A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvement in the hulls of hydrofoils and seaplanes and all other floating devices with submerged or aerial propulsion
Assignee: Derro Leon
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Filing: 1933-01-03
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Granted: 1934-04-12
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Expires: 1953-01-03
Abstract
No abstract record available.
Inventors
- 👤 Derro Leon
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 03:46
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/32; B63B1/34; B63B1/38; Y; Y02; Y02T; Y02T70/00; Y02T70/10
Claims Analysis
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References Cited (Backward Citations)
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