Priority Date: 08.09.95 (NL 19951001162)

Communication system for interactive services with a packet switching interaction channel over a narrow-band circuit switching network, as well as a device for application in such a communication system

  • Application ID: EP08006668
  • Status: The application has been withdrawn


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This EP application has the IPC class H04 (ELECTRIC COMMUNICATION TECHNIQUE). Koninklijke KPN N.V. is specialized in H04. Koninklijke KPN N.V. 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.


  • 08.09.1995 - Priority Date (NL 19951001162)
  • 23.07.2008 - Publication A1 (EP1947899)

IPC Classification