Improvements in current mine ventilation ducts

Details for Australian Patent Application No. 2008101225 (hide)

International Classifications

Event Publications

8 January 2009 Innovation Patent Application Filed

22 January 2009 Innovation Patent Open to Public Inspection

Published as AU-B-2008101225

22 January 2009 Innovation Patent Sealed

3 March 2011 Certified Innovation Patents

Published as AU-B-2008101225

12 July 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

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

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