DEVICE FOR ADVANCING DRILLINGS IN THE GROUND

Details for Australian Patent Application No. 2003257476 (hide)

Owner WIRTH MASCHINENUND BOHRGERATEFABRIK GMBH

Inventors MOHRMANN, Michael

Pub. Number AU-A-2003257476

PCT Number PCT/EP03/07810

PCT Pub. Number WO2004/013449

Priority 102 34 336.5 26.07.02 DE; 102 34 337.3 26.07.02 DE; 102 37 889.4 19.08.02 DE; 102 34 338.1 26.07.02 DE

Filing date 18 July 2003

Wipo publication date 23 February 2004

International Classifications

E21B 004/00 Drives for drilling, used in the borehole

E21B 004/16 Drives for drilling, used in the borehole

E21B 010/08 Drilling tools - Roller bits

E21D 009/11 Tunnels

Event Publications

6 November 2003 Complete Application Filed

  Priority application(s): 102 34 336.5 26.07.02 DE; 102 34 337.3 26.07.02 DE; 102 37 889.4 19.08.02 DE; 102 34 338.1 26.07.02 DE

1 April 2004 Application Open to Public Inspection

  Published as AU-A-2003257476

19 May 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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