FR585004A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Devices with electric light reflections, making it possible to imitate in all colors, the inscriptions or other currently obtained by mercury vapor tubes, neon gas and others
Assignee: Louis Bergeret
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Filing: 1924-08-01
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Granted: 1925-02-19
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Expires: 1944-08-01
Abstract
No abstract record available.
Inventors
- 👤 Louis Bergeret
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 12:39
CPC Classifications
G; G09; G09F; G09F13/00; G09F13/26
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