Priority Date: 03.07.12 (US 201261667549P)

TOP-TENSIONED RISER SYSTEM

  • Application ID: EP13813108
  • Status: GRANT OF PATENT INTENDED

Attorney

Employment test 201 - 500 employees
Company dna nlo
operating since 1888
Headquarter in The Hague and 3 offices
active in Legal Services, IP Consulting, and IP Portfolio Processing

Specialization

This patent has the IPC class E21 (EARTH OR ROCK DRILLING; MINING) 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

  • 03.07.2012 - Priority Date (US 201261667549P)
  • 09.01.2014 - Publication A2 (WO2014008367)
  • 13.05.2015 - Publication A2 (EP2870315)

IPC Classification