FR40236E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Sophisticated apparatus for studying perspective
Assignee: Marcelin Chabannais
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Filing: 1931-03-30
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Granted: 1932-06-07
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Expires: 1951-03-30
Abstract
No abstract record available.
Inventors
- 👤 Marcelin Chabannais
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 02:30
CPC Classifications
B; B43; B43L; B43L13/00; B43L13/14; B43L13/16
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References Cited (Backward Citations)
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