Application

17988495 · LIGHT GUIDE PLATE MADE OF LEAD-FREE GLASS HAVING A HIGH REFRACTIVE INDEX AND IMAGE DISPLAY DEVICE USING A LIGHT GUIDE PLATE

Filed 2022-11-16 · Granted · Patent 11815691 (2023-11-14) The official file ↗The patent and its PDF ↗ · Art unit 2874 · Examiner Ellen E Kim Typical · CPC C03C 3/064 · HOYA CORPORATION · Rabin & Berdo, P.C.

Office actions

first was Non-final rejection

RCEs

no appeal

To first action

3.7 mo

to disposition 11.9 mo

Statutes raised

103 112

1 actions read

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