Over/under monorail system for longwall mining operations

Details for Australian Patent Application No. 2007203666 (hide)

Owner Swanson Industries, Inc.

Inventors Hutchinson, Thomas L.

Agent Shelston IP

Pub. Number AU-B-2007203666

Priority 60/845743 19.09.06 US; 11/642077 20.12.06 US

Filing date 6 August 2007

Wipo publication date 3 April 2008

Acceptance publication date 24 December 2009

International Classifications

E21F 17/06 (2006.01) Methods or devices for use in mines or tunnels, not covered elsewhere

E21F 17/08 (2006.01) Methods or devices for use in mines or tunnels, not covered elsewhere

Event Publications

23 August 2007 Complete Application Filed

  Priority application(s): 60/845743 19.09.06 US; 11/642077 20.12.06 US

3 April 2008 Application Open to Public Inspection

  Published as AU-B-2007203666

24 December 2009 Application Accepted

  Published as AU-B-2007203666

22 April 2010 Standard Patent Sealed

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