Active sound reduction apparatus and active noise insulation wall having same

Details for Australian Patent Application No. 2004218600 (hide)

International Classifications

Event Publications

21 October 2004 Complete Application Filed

28 October 2004 Application Open to Public Inspection

Published as AU-B-2004218600

24 March 2005 Application Accepted

Published as AU-B-2004218600

21 July 2005 Standard Patent Sealed

13 November 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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