Patent FR725713A successfully refreshed from Google Patents.
FR725713A
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FR
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Improvements to illuminated signs
Assignee: Paul John Scharringhausen
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Filing: 1931-11-05
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Granted: 1932-05-17
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Expires: 1951-11-05
Abstract
No abstract record available.
Inventors
- 👤 Paul John Scharringhausen
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 08:12
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/0001; G02B6/0011; G02B6/0066; G02B6/007; G02B6/0071; G02B6/0013; G02B6/0023; G02B6/0031; G02B6/0033; G02B6/005; G09; G09F; G09F13/00; G09F13/18; G09F2013/184; G09F2013/1845
Claims Analysis
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References Cited (Backward Citations)
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