Priority Date: 30.06.11 (DE 20111078383)

Auxiliary air valve, vacuum cleaner and mounting method

  • Application ID: EP12172853
  • Status: Request for examination was made



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This EP application has the IPC class A47 (FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL). 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.


  • 30.06.2011 - Priority Date (DE 20111078383)
  • 02.01.2013 - Publication A2 (EP2540204)
  • 19.07.2017 - Publication A3 (EP2540204)

IPC Classification