METHOD OF FRACTURING A STRUCTURE COMPOSED OF INTERSPERSED LAYERS OF HARD AND SOFT MATERIAL

Details for Australian Patent Application No. 2002245949 (hide)

Owner ROCKTEK LIMITED

Inventors TAMLIN, Tony

Pub. Number AU-A-2002245949

PCT Pub. Number WO2002/084077

Priority 60/283,502 11.04.01 US

Filing date 10 April 2002

Wipo publication date 28 October 2002

International Classifications

E21C 037/12 Other methods or devices for dislodging with or without loading

E21C 041/00 Methods of mining or quarrying

F42D 001/00 Blasting methods or apparatus, e.g. for loading or tamping

F42D 003/04 Particular applications of blasting techniques

Event Publications

17 April 2003 Application Open to Public Inspection

  Published as AU-A-2002245949

19 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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