Patent FR540393A successfully refreshed from Google Patents.
FR540393A
Expired / Lapsed
FR
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Device allowing collective stereoscopic vision
Assignee: Gustave Bernard
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Filing: 1921-01-28
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Granted: 1922-07-10
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Expires: 1941-01-28
Abstract
No abstract record available.
Inventors
- 👤 Gustave Bernard
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 16:26
CPC Classifications
G; G02; G02B; G02B30/00; G02B30/20; G02B30/34; G02B30/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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