SILICON MICROPHONE

Details for Australian Patent Application No. 2002361569 (hide)

Owner KNOWLES ELECTRONICS, LLC

Inventors LOEPPERT, Peter, V.; LEE, Sung, Bok

Pub. Number AU-A-2002361569

PCT Number PCT/US02/32749

PCT Pub. Number WO2003/045110

Priority 09/989,513 20.11.01 US

Filing date 15 October 2002

Wipo publication date 10 June 2003

International Classifications

H04R 017/06 Piezo-electric transducers

H04R 001/02 Details of transducers - Casings

H01L 041/00 Piezo-electric elements in general

Event Publications

10 April 2003 Complete Application Filed

  Priority application(s): 09/989,513 20.11.01 US

21 August 2003 Application Open to Public Inspection

  Published as AU-A-2002361569

5 August 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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