Patent FR447177A successfully refreshed from Google Patents.
FR447177A
Expired / Lapsed
FR
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Panoramic periscope for submarines and other applications
Assignee: Schneider Electric SE
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Filing: 1911-10-19
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Granted: 1912-12-26
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Expires: 1931-10-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 11:47
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/02; G02B23/08
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