Priority Date: 14.12.11 (US 201161570564P)

EXPANDABLE SEAT ASSEMBLY FOR ISOLATING FRACTURE ZONES IN A WELL

  • Application ID: EP12857976
  • Status: APPLICATION WITHDRAWN

Attorney

Employment test 51 - 200 employees
Company dna carpmarls and ransford
operating since 1848
Headquarter in London and 2 offices
active in Legal Services and IP Consulting

Specialization

This EP application has the IPC class 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.

Timeline

  • 14.12.2011 - Priority Date (US 201161570564P)
  • 20.06.2013 - Publication A1 (WO2013090805)
  • 22.10.2014 - Publication A1 (EP2791458)

IPC Classification