FR659258A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Light signaling beacons and improvements in the arrangement of their lighting elements
Assignee: Jean-Regnier-Pierre Francotte
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Filing: 1928-07-13
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Granted: 1929-06-26
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Expires: 1948-07-13
Abstract
No abstract record available.
Inventors
- 👤 Jean-Regnier-Pierre Francotte
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 23:35
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/18; B64F1/20
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