FR542607A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Progressive locking device for valves operated by spring-loaded lever
Assignee: Adolphe Riardant
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Filing: 1921-10-21
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Granted: 1922-08-18
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Expires: 1941-10-21
Abstract
No abstract record available.
Inventors
- 👤 Adolphe Riardant
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 14:24
CPC Classifications
F; F16; F16K; F16K21/00; F16K21/04; F16K21/14
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References Cited (Backward Citations)
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