FR499809A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Eyewear and glasses improvements
Assignee: Raphaels Ltd
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Filing: 1919-05-19
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Granted: 1920-02-24
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Expires: 1939-05-19
Abstract
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Inventors
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Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 12:17
CPC Classifications
G; G02; G02C; G02C7/00; G02C7/10; G02C9/00; G02C9/02
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