Longwall mining method and apparatus

Details for Australian Patent Application No. 2003201199 (hide)

Owner Industrial Roll Formers Pty. Limited

Inventors Fergusson, Jeffrey Robert

Agent Fraser Old & Sohn

Pub. Number AU-B-2003201199

PCT Number PCT/AU03/00027

PCT Pub. Number WO2003/058032

Priority PR 9939 11.01.02 AU

Filing date 10 January 2003

Wipo publication date 24 July 2003

Acceptance publication date 14 August 2008

International Classifications

E21C 41/16 (2006.01) Methods of mining or quarrying

E21C 41/18 (2006.01) Methods of mining or quarrying

E21D 21/00 (2006.01) Anchoring-bolts for roof, floor, or shaft-lining protection

Event Publications

27 March 2003 Complete Application Filed

  Priority application(s): PR 9939 11.01.02 AU

4 September 2003 Application Open to Public Inspection

  Published as AU-B-2003201199

14 December 2006 Assignment before Grant

  Fergusson, Jeffrey The application has been assigned to Industrial Roll Formers Pty. Limited

14 August 2008 Application Accepted

  Published as AU-B-2003201199

9 October 2008 Assignment before Grant

  Industrial Roll Formers Pty. Limited The application has been assigned to Minova Australia Pty Limited

11 December 2008 Standard Patent Sealed

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