Priority Date: 29.11.11 (US 201113306397)

MICROSPEAKER WITH PIEZOELECTRIC, CONDUCTIVE AND DIELECTRIC MEMBRANE

  • Application ID: EP12805839
  • Status: GRANT OF PATENT INTENDED

Applicants

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Specialization

This EP application has the IPC class G09 (EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS) and H04 (ELECTRIC COMMUNICATION TECHNIQUE). We found, that Müller Hoffmann & Partner, Fritzsche Patent, IPLodge bvba, DeltaPatents BV, Appleyard Lees Ltd and 9 others are specialized in this combination either. For a similar patent, they might be a good choice.

Timeline

  • 29.11.2011 - Priority Date (US 201113306397)
  • 06.06.2013 - Publication A1 (WO2013082169)
  • 08.10.2014 - Publication A1 (EP2786595)

IPC Classification