FR677375A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device for signaling power lines
Assignee: Anciens Etablissements Barbier Benard and Turenne SA
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Filing: 1928-10-23
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Granted: 1930-03-07
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Expires: 1948-10-23
Abstract
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Inventors
No inventors recorded.
Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 22:54
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/18; B64F1/20
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