An apparatus and method for controlling the flow of ventilation in mining environments

Details for Australian Patent Application No. 2009100448 (hide)

International Classifications

Event Publications

28 May 2009 Innovation Patent Application Filed

25 June 2009 Amendment Made

The nature of the amendment is: Amend the invention title to read An apparatus and method for controlling the flow of ventilation in mining environments

2 July 2009 Innovation Patent Open to Public Inspection

Published as AU-A-2009100448

2 July 2009 Innovation Patent Sealed

24 November 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

This patent ceased under section 143A(d), or Expired. Examination has not been requested on this patent. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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