Drum structures having turn-on drumhead tuning and spherical acoustic chambers

Details for Australian Patent Application No. 2006210508 (hide)

International Classifications

Event Publications

9 August 2007 PCT application entered the National Phase

PCT publication WO2006/084181 Priority application(s): WO2006/084181

12 August 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

This application lapsed under section 142(2)(e). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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