FR507844A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements made to gas relief valves for hydraulic devices and more particularly for braking devices by forced displacement of a liquid
Assignee: Individual
•
Filing: 1919-04-16
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Granted: 1920-09-24
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Expires: 1939-04-16
Abstract
No abstract record available.
Inventors
- 👤 Maurice Houdaille
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 13:49
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/02; F16K3/04; F16K3/06; F16K3/08
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