An apparatus for supporting a tunnel

Details for Australian Patent Application No. 2007249061 (hide)

Owner Lumb, H. Morgan, J. Morgan, L.

Inventors Lumb, Matthew Alexander

Agent Griffith Hack

Pub. Number AU-A-2007249061

Parent 2003264167

Filing date 17 December 2007

Wipo publication date 10 January 2008

International Classifications

E21D 23/08 (2006.01) Mine roof supports for step-by-step movement, e.g. in combination with provisions for shifting of conveyers, mining machines, or guides therefor

E21D 23/00 (2006.01) Mine roof supports for step-by-step movement, e.g. in combination with provisions for shifting of conveyers, mining machines, or guides therefor

Event Publications

10 January 2008 Application Open to Public Inspection

  Published as AU-A-2007249061

10 January 2008 Complete Application Filed

7 August 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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