A SURFACE MICROMACHINING PROCESS FOR MANUFACTURING ELECTRO-ACOUSTIC TRANSDUCERS, PARTICULARLY ULTRASONIC TRANSDUCERS, OBTAINED TRANSDUCERS AND INTERMEDIATE PRODUCTS

Details for Australian Patent Application No. 2002304303 (hide)

Owner CONSIGLIO NAZIONALE DELLE RICERCHE ESAOTE S.P.A. UNIVERSITA' DEGLI STUDI "ROMA TRE"

Inventors FOGLIETTI, Vittorio; MEMMI, Daniele; PAPPALARDO, Massimo; CALIANO, Giosue; CIANCI, Elena

Pub. Number AU-A-2002304303

PCT Number PCT/IT02/00308

PCT Pub. Number WO2002/091796

Priority RM2001A000243 09.05.01 IT

Filing date 9 May 2002

Wipo publication date 18 November 2002

International Classifications

H04R 019/00 Electrostatic transducers

Event Publications

19 December 2002 Complete Application Filed

  Priority application(s): RM2001A000243 09.05.01 IT

1 May 2003 Application Open to Public Inspection

  Published as AU-A-2002304303

26 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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