Activated stemming device

Details for Australian Patent Application No. 2002360867 (hide)

Owner NXCO International Limited

Inventors Van Dyk, Andre

Agent A.P.T. Patent and Trade Mark Attorneys

Pub. Number AU-B-2002360867

PCT Number PCT/ZA02/00209

PCT Pub. Number WO2003/060290

Priority 2001/5470 03.01.02 ZA; 2001/5469 03.01.02 ZA

Filing date 17 December 2002

Wipo publication date 30 July 2003

Acceptance publication date 15 February 2007

International Classifications

E21C 37/14 (2006.01) Other methods or devices for dislodging with or without loading

F42D 1/08 (2006.01) Blasting methods or apparatus, e.g. for loading or tamping

F42D 1/20 (2006.01) Blasting methods or apparatus, e.g. for loading or tamping

Event Publications

3 April 2003 Complete Application Filed

  Priority application(s): 2001/5470 03.01.02 ZA; 2001/5469 03.01.02 ZA

4 September 2003 Application Open to Public Inspection

  Published as AU-B-2002360867

15 February 2007 Application Accepted

  Published as AU-B-2002360867

28 June 2007 Standard Patent Sealed

10 July 2008 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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