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DE1108461B Expired / Lapsed DE ⏱️ 0.0 years remaining

Method for copying optical diffraction grating replicas

Assignee: NAT RES DEV
•
Filing: 1955-10-13
•
Granted: —
•
Expires: 1975-10-13
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Abstract

No abstract record available.

Inventors

  • 👤 Leonard Alfred Sayce
  • 👤 Gordon Douglas Dew

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-04 20:42
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/18; G02B5/1847; G02B5/1852; B; B29; B29C; B29C43/00; B29C43/02; B29C43/021; B29D; B29D11/00; B29D11/00009; B29D11/00269; B29D11/0074; B29L; B29L2011/00; B29L2011/0016; B29L2011/005

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References Cited (Backward Citations)

GB468942A Cited

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