Priority Date: 15.07.11 (GB 20110012239)

DOWN-HOLE SWIVEL SUB

  • Application ID: EP12753175
  • Status: EXAMINATION IN PROGRESS

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Specialization

This patent has the IPC class E21 (EARTH OR ROCK DRILLING; MINING) KOB NV is specialized in E21. 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

  • 15.07.2011 - Priority Date (GB 20110012239)
  • 24.01.2013 - Publication A2 (WO2013011293)
  • 21.05.2014 - Publication A2 (EP2732123)

IPC Classification