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FR435332A Expired / Lapsed FR ⏱️ 0.0 years remaining

Elastic lens for optical applications, the degree of curvature of which is automatically adjusted according to the distance

Assignee: DESIDERIUS GEORG SCHALLER
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Filing: 1911-10-16
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Granted: 1912-02-27
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Expires: 1931-10-16
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Abstract

No abstract record available.

Inventors

  • 👤 Desiderius Georg Schaller

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-22 23:47
CPC Classifications
G; G02; G02B; G02B3/00; G02B3/12; G02B3/14; G02B1/00; G02B1/06

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