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FR1314569A Expired / Lapsed FR ⏱️ 0.0 years remaining

Optical filters with thin films of non-uniform thickness produced by vacuum evaporation, method and devices for obtaining them, and their applications

Assignee: Francis Cassanas
•
Filing: 1961-12-01
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Granted: 1963-01-11
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Expires: 1981-12-01
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Abstract

No abstract record available.

Inventors

  • 👤 Francis Cassanas
  • 👤 Roger Bel

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-23 16:56
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/20; G02B5/28; G02B5/285; C; C23; C23C; C23C14/00; C23C14/04; C23C14/042; C23C14/044; G01; G01J; G01J3/00; G01J3/12; G01J3/26; G02B5/205; G02B26/00; G02B26/007; G02B26/02; G02B26/023

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