Patent FR701561A successfully refreshed from Google Patents.
FR701561A
Expired / Lapsed
FR
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Optical device for photographic lens
Assignee: Paul Baudecroux
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Filing: 1929-12-05
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Granted: 1931-03-18
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Expires: 1949-12-05
Abstract
No abstract record available.
Inventors
- 👤 Paul Baudecroux
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 13:44
CPC Classifications
G; G02; G02B; G02B13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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