FR720763A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements in the operation and control of doors and windows and similar panels by means of pressurized fluid
Assignee: Compagnie des Freins Westinghouse
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Filing: 1930-11-03
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Granted: 1932-02-24
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Expires: 1950-11-03
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 23:24
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/50
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