Application

17095533 · DIFFRACTIVE OPTICAL ELEMENT, METHOD FOR PRODUCING DIFFRACTIVE OPTICAL ELEMENT, OPTICAL DEVICE, AND IMAGE PICKUP APPARATUS

Filed 2020-11-11 · Granted · Patent 11719866 (2023-08-08) The official file ↗The patent and its PDF ↗ · Art unit 2871 · Examiner Mariam Qureshi Typical · CPC C08F 222/1025 · CANON KABUSHIKI KAISHA · CANON U.S.A. INC. INTELLECTUAL PROPERTY DIVISION

Office actions

first was Notice of allowance

RCEs

no appeal

To first action

24.6 mo

to disposition 32.9 mo

Statutes raised

0 actions read

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