Priority Date: 10.08.12 (CN 20121291474)

VACUUM EXTRACTION DEVICE, VACUUM GLASS MANUFACTURING SYSTEM, AND RELATED METHOD

  • Application ID: EP13828044
  • Status: PATENT GRANTED

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Specialization

This patent has the IPC class C03 (GLASS; MINERAL OR SLAG WOOL) is specialized in C03. 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

  • 10.08.2012 - Priority Date (CN 20121291474)
  • 13.02.2014 - Publication A1 (WO2014023154)
  • 19.11.2014 - Publication A1 (EP2803642)
  • 26.04.2017 - Publication B1 (EP2803642)

IPC Classification