Active sound reduction apparatus and active noise insulation wall having same

Details for Australian Patent Application No. 2003203458 (hide)

International Classifications

Event Publications

17 April 2003 Complete Application Filed

12 June 2003 Application Open to Public Inspection

Published as AU-B-2003203458

18 November 2004 Application Accepted

Published as AU-B-2003203458

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13 November 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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

Legal

The information provided by the Site not in the nature of legal or other professional advice. The information provided by the Site is derived from third parties and may contain errors. You must make your own enquiries and seek independent advice from the relevant industry professionals before acting or relying on any information contained herein. Check the above data against the Australian Patent Office AUSPAT database.