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IP Verse

Thermochromic Micro Particles And Thermochromic Ink Composition, Writing Apparatus And Smart Window Using The Same - EP3109286

The patent EP3109286 was granted to Dong A Pencil on Jul 24, 2019. The application was originally filed on Jun 16, 2016 under application number EP16174734A. The patent is currently recorded with a legal status of "Revoked".

EP3109286

DONG A PENCIL
Application Number
EP16174734A
Filing Date
Jun 16, 2016
Status
Revoked
Apr 2, 2022
Publication Date
Jul 24, 2019
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

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SOCIETE BICApr 24, 2020PETERREINS SCHLEYADMISSIBLE

Patent Citations (7) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
OPPOSITIONJP2009091475
OPPOSITIONUS5919404
OPPOSITIONUS7332109
OPPOSITIONUS7335624
OTHEREP1084860
SEARCHCN102430376
SEARCHCN103788939

Dossier Documents

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