Patent FR631319A successfully refreshed from Google Patents.
FR631319A
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Colorful artificial light projector device restoring daylight at a specified distance
Assignee: Lucien Martin
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Filing: 1927-03-23
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Granted: 1927-12-19
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Expires: 1947-03-23
Abstract
No abstract record available.
Inventors
- 👤 Lucien Martin
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 17:01
CPC Classifications
F; F21; F21V; F21V25/00; F21V25/12; F21S; F21S8/00; F21S8/003; F21V14/00; F21V9/00; F21V9/08; F21V9/40; F21W; F21W2111/00; F21W2131/00; F21W2131/40; F21Y; F21Y2113/00; F21Y2113/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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