Priority Date: 15.06.12 (CN 20121201548)

KEY UPDATING METHOD, DEVICE AND SYSTEM

  • Application ID: EP13804942
  • Status: PATENT GRANTED

Applicant

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Specialization

This patent has the IPC class H04 (ELECTRIC COMMUNICATION TECHNIQUE) is specialized in H04. Here you find a list of all patent agent firms which are specialized in this IPC class. For a similar patent, they might be a good choice.

Timeline

  • 15.06.2012 - Priority Date (CN 20121201548)
  • 19.12.2013 - Publication A1 (WO2013185579)
  • 22.04.2015 - Publication A1 (EP2863668)
  • 07.12.2016 - Publication B1 (EP2863668)

IPC Classification