FR657846A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device applied to beacons for coloring light beams and for obtaining different light effects
Assignee: Charles-Emile-Jules Brandt
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Filing: 1928-07-20
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Granted: 1929-05-28
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Expires: 1948-07-20
Abstract
No abstract record available.
Inventors
- 👤 Charles-Emile-Jules Brandt
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 22:41
CPC Classifications
F; F21; F21V; F21V9/00; F21V9/08; F21V9/12; F21V5/00; F21V5/04
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