AN ACOUSTICALLY ACTIVE ELEMENT FORMED IN A MULTI-LAYER CIRCUIT-BOARD STRUCTURE, A METHOD FOR FORMING ACOUSTICALLY ACTIVE ELEMENT IN A MULTILAYER CIRCUIT-BOARD STRUC- TURE, AND A MULTI-LAYER CIRCUIT-BOARD STRUCTURE

Details for Australian Patent Application No. 2003233833 (hide)

Owner ASPERATION OY

Inventors UUSIKARTANO, Matti; PENTTINEN, Auvo; PAARNI, Hannu; KUTILAINEN, Terho

Pub. Number AU-A-2003233833

PCT Number PCT/FI03/00423

PCT Pub. Number WO2003/103334

Priority 20021069 04.06.02 FI

Filing date 28 May 2003

Wipo publication date 19 December 2003

International Classifications

H04R 001/28 Details of transducers - Transducer mountings or enclosures designed for specific frequency response

H04R 001/02 Details of transducers - Casings

Event Publications

28 August 2003 Complete Application Filed

  Priority application(s): 20021069 04.06.02 FI

12 February 2004 Application Open to Public Inspection

  Published as AU-A-2003233833

24 February 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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