Improvements in the design of electrostatic loudspeakers

Details for Australian Patent Application No. 2004220897 (hide)

Owner Winovate Pty Ltd

Inventors Champion, Lindsay Alfred; Van Dongen, Charles Cornelus; Howard, Grover Latham 3rd; MacKinley, Robert Neil

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-A-2004220897

PCT Pub. Number WO2004/084579

Priority 2003901251 18.03.03 AU

Filing date 18 March 2004

Wipo publication date 30 September 2004

International Classifications

H04R 19/02 (2006.01) Electrostatic transducers

Event Publications

6 April 2006 Section 223 Application Received

  WINOVATE PTY LTD An application to extend the time from 18 Oct 2005 to 18 Feb 2006 in which to enter the National Phase has been filed . Address for service in Australia - Phillips Ormonde & Fitzpatrick Level 21 367 Collins Street Melbourne VIC 3000 2005

1 June 2006 Section 223 Application Allowed

  Winovate Pty Ltd The time in which to enter the National Phase has been extended to 18 Feb 2006. Address for service in Australia - Phillips Ormonde & Fitzpatrick Level 21 367 Collins Street Melbourne VIC 3000

8 June 2006 PCT application entered the National Phase

  PCT publication WO2004/084579 Priority application(s): WO2004/084579

21 December 2006 Assignment before Grant

  Winovate Pty Ltd The application has been assigned to Immersion Technology International plc

2 August 2007 Assignment before Grant

  Immersion Technology International plc The application has been assigned to Immersion Technology Property Limited

15 October 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(d). 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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