FR861978A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Aerial propeller in hooped wood, and its manufacturing process
Assignee: Conrad-Alphonse-Rene Valeri
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Filing: 1939-08-10
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Granted: 1941-02-22
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Expires: 1959-08-10
Abstract
No abstract record available.
Inventors
- 👤 Conrad-Alphonse-Rene Valeri
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-24 20:28
CPC Classifications
B; B27; B27M; B27M3/00; B27M3/10
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