Device for drilling a bore in the ground

Details for Australian Patent Application No. 2004238971 (hide)

Owner Wirth MaschinenUnd Bohrgerate-Fabrik GmbH

Inventors Heinrichs, Peter; Tibussek, Fritz

Agent Shelston IP

Pub. Number AU-A-2004238971

PCT Pub. Number WO2004/101947

Priority 103 21 617.0 13.05.03 DE

Filing date 7 May 2004

Wipo publication date 25 November 2004

International Classifications

E21B 1/00 (2006.01) Methods or apparatus for drilling

Event Publications

5 January 2006 PCT application entered the National Phase

  PCT publication WO2004/101947 Priority application(s): WO2004/101947

16 August 2007 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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