FR71585E
Expired / Lapsed
FR
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Self-opening valve device
Assignee: Roger Roth
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Filing: 1957-05-28
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Granted: 1960-01-05
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Expires: 1977-05-28
Abstract
No abstract record available.
Inventors
- 👤 Roger Roth
- 👤 Rene Spengler
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 21:45
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/30; F16K1/304; F16K1/305; B; B63; B63C; B63C9/00; B63C9/24; F16K1/307; F16K17/00; F16K17/36; F16K17/38; F16K31/00; F16K31/001; B63C2009/0023; B63C2009/0029; B63C2009/0041; B63C2009/0058; B63C2009/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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