FR852667A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Electric pencil for writing on gelatin photographs, films, etc.
Assignee: GRP D IND de la PHOTOGRAPHIE A
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Filing: 1938-10-15
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Granted: 1940-02-29
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Expires: 1958-10-15
Abstract
No abstract record available.
Inventors
- 👤 Charles Defrene
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 12:08
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/02
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