CH383104A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Butterfly valve
Assignee: Edward Swain Frank
•
Filing: 1959-09-18
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Granted: —
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Expires: 1979-09-18
Abstract
No abstract record available.
Inventors
- 👤 Edward Swain Frank
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-29 13:16
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/16; F16K1/18; F16K1/22; F16K1/226; F16K1/228; F16K1/2285; F16K1/2263; F16K1/2266
Claims Analysis
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References Cited (Backward Citations)
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