Priority Date: 26.12.11 (JP 20110283068)

HEADPHONE DEVICE

  • Application ID: EP12861126
  • Status: GRANT OF PATENT INTENDED

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Specialization

This EP application has the IPC class H04 (ELECTRIC COMMUNICATION TECHNIQUE). Mewburn Ellis LLP is specialised in H04 (ELECTRIC COMMUNICATION TECHNIQUE). 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

  • 26.12.2011 - Priority Date (JP 20110283068)
  • 04.07.2013 - Publication A1 (WO2013099429)
  • 03.12.2014 - Publication A1 (EP2809081)

IPC Classification