Mine prop jack and method of prestressing a mine prop

Details for Australian Patent Application No. 2011200454 (hide)

Owner Canyon Fuel Company, LLC

Inventors Poulson, Kenneth; Gleave, Maury

Agent Griffith Hack

Pub. Number AU-A-2011200454

Priority 12/928,402 10.12.10 US

Filing date 3 February 2011

Wipo publication date 28 June 2012

International Classifications

E21D 15/14 Working-face supports

E21D 15/59 Working-face supports

Event Publications

17 February 2011 Complete Application Filed

  Priority application(s): 12/928,402 10.12.10 US

28 June 2012 Application Open to Public Inspection

  Published as AU-A-2011200454

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