Drilling aparatus

Details for Australian Patent Application No. 2004236686 (hide)

Owner Nackerud, A.

Inventors Nackerud, Alan L.

Agent Cullen & Co

Pub. Number AU-B-2004236686

PCT Pub. Number WO2004/099550

Priority 10/428,495 02.05.03 US

Filing date 29 April 2004

Wipo publication date 18 November 2004

Acceptance publication date 18 September 2008

International Classifications

E21B 7/28 (2006.01) Special methods or apparatus for drilling

E21B 7/18 (2006.01) Special methods or apparatus for drilling - Drilling by liquid or gas jets, with or without entrained pellets

E21B 10/62 (2006.01) Drilling tools

Event Publications

17 November 2005 PCT application entered the National Phase

  PCT publication WO2004/099550 Priority application(s): WO2004/099550

18 September 2008 Application Accepted

  Published as AU-B-2004236686

29 January 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under reg. 22.2I(2). This application has been accepted or advertised accepted. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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