Priority Date: 10.11.08 (US 20080113198P)

Extendable cutting tools for use in a wellbore

  • Application ID: EP13193719
  • Status: No opposition filed within time limit


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This EP application has the IPC class E21 (EARTH OR ROCK DRILLING; MINING). Marks & Clerk is specialized in E21. Marks & Clerk is specialised in E21 (EARTH OR ROCK DRILLING; MINING). 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.


  • 10.11.2008 - Priority Date (US 20080113198P)
  • 12.11.2014 - Publication A1 (EP2801693)
  • 28.03.2018 - Publication B1 (EP2801693)

IPC Classification