Priority Date: 25.09.12 (US 201261705410P)

Drain vent for petrochemical/chemical fluid pumping device and method of making the same

  • Application ID: EP13185843
  • Status: EXAMINATION IN PROGRESS

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Specialization

This patent has the IPC class F04 (POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS) Bromhead Johnson is specialized in F04. 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

  • 25.09.2012 - Priority Date (US 201261705410P)
  • 26.03.2014 - Publication A2 (EP2711550)
  • 25.02.2015 - Publication A3 (EP2711550)