FR668360A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method and device allowing, by illuminating certain transparent or translucent objects in the mass, to obtain various lighting effects
Assignee: Pierre Bertrand
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Filing: 1928-12-28
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Granted: 1929-10-31
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Expires: 1948-12-28
Abstract
No abstract record available.
Inventors
- 👤 Pierre Bertrand
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 11:45
CPC Classifications
G; G09; G09F; G09F13/00; G09F13/24; F; F21; F21V; F21V9/00; F21V9/40; F21W; F21W2131/00; F21W2131/40; F21W2131/406
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