Roof support for mines

Details for Australian Patent Application No. 2006255491 (hide)

Owner Sutton, W.

Inventors Sutton, William John

Agent Aardvark Patent & Trademark Service

Pub. Number AU-A-2006255491

PCT Pub. Number WO2006/130918

Priority 2005903056 10.06.05 AU

Filing date 9 June 2006

Wipo publication date 14 December 2006

International Classifications

E21D 23/04 (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 23/08 (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 23/20 (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

13 December 2007 PCT application entered the National Phase

  PCT publication WO2006/130918 Priority application(s): WO2006/130918

14 January 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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