FR551758A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements in optical systems for cameras
Assignee: Serge-Michael De Procou Gorsky
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Filing: 1922-05-20
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Granted: 1923-04-13
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Expires: 1942-05-20
Abstract
No abstract record available.
Inventors
- 👤 Serge-Michael De Procou Gorsky
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 11:47
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/10; G02B27/1006; G02B27/1013; G02B27/14; G02B27/144; G02B27/145
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