Patent CH169809A successfully refreshed from Google Patents.
CH169809A
Expired / Lapsed
CH
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Servo motor with spring-loaded piston for control and overflow valves, throttle devices and the like.
Assignee: Escher Wyss Maschf Ag
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Filing: 1932-12-24
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Granted: —
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Expires: 1952-12-24
Abstract
No abstract record available.
Inventors
- 👤 Aktiengesell Maschinenfabriken
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-28 16:42
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/08; F15B11/12; F15B11/121; F15B11/122; F16; F16K; F16K31/00; F16K31/12; F16K31/122; F16K31/1221; F16K31/124
Claims Analysis
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References Cited (Backward Citations)
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