FR643079A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device which, placed on a vehicle, automatically causes, under the action of centrifugal force, the operation of audible warning devices
Assignee: Roger Drilholle
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Filing: 1927-09-16
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Granted: 1928-09-10
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Expires: 1947-09-16
Abstract
No abstract record available.
Inventors
- 👤 Roger Drilholle
- 👤 Laurent Varliaud
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-24 18:53
CPC Classifications
H; H01; H01H; H01H29/00; H01H29/20; H01H29/22
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References Cited (Backward Citations)
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