Priority Date: 04.06.12 (US 201213488149)

POLISHING PAD WITH POLISHING SURFACE LAYER HAVING AN APERTURE OR OPENING ABOVE A TRANSPARENT FOUNDATION LAYER

  • Application ID: EP13728287
  • Status: GRANT OF PATENT INTENDED

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Specialization

This patent has the IPC class B24 (GRINDING; POLISHING) is specialized in B24. 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

  • 04.06.2012 - Priority Date (US 201213488149)
  • 12.12.2013 - Publication A1 (WO2013184465)
  • 20.05.2015 - Publication A1 (EP2872291)