Priority Date: 28.03.07 (JP 20070084216)

Audio system, signal producing apparatus and sound producing apparatus

  • Application ID: EP08001563
  • Status: The application is deemed to be withdrawn


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This EP application has the IPC class G10 (MUSICAL INSTRUMENTS; ACOUSTICS). Wagner & Geyer is specialised in G10 (MUSICAL INSTRUMENTS; ACOUSTICS). 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.


  • 28.03.2007 - Priority Date (JP 20070084216)
  • 01.10.2008 - Publication A2 (EP1975919)
  • 23.06.2010 - Publication A3 (EP1975919)

IPC Classification