Patent CH217669A successfully refreshed from Google Patents.
CH217669A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Variable-pitch propeller with a mechanism for changing the position of the propeller blades and an electrical control system that controls the speed of this mechanism.
Assignee: Escher Wyss Maschf Ag
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Filing: 1941-03-08
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Granted: —
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Expires: 1961-03-08
Abstract
No abstract record available.
Inventors
- 👤 Aktiengesell Maschinenfabriken
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-08 17:23
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/30; B64C11/44; B63; B63H; B63H3/00; B63H3/06; B63H3/08; B63H2003/088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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