EARTH BORING DEVICE

Details for Australian Patent Application No. 2002312892 (hide)

Owner WIRTH MASCHINENUND BOHRGERATE FABRIK GMBH

Inventors GEHLEN, Hermann

Pub. Number AU-A-2002312892

PCT Number PCT/EP02/05139

PCT Pub. Number WO2002/092955

Priority 101 23 058.3 11.05.01 DE

Filing date 10 May 2002

Wipo publication date 25 November 2002

International Classifications

E21B 007/04 Special methods or apparatus for drilling - Directional drilling

F16L 039/00 Joints or fittings for double-walled or multi-channel pipes or pipe assemblies

E21B 017/18 Drilling rods or pipes

Event Publications

2 January 2003 Complete Application Filed

  Priority application(s): 101 23 058.3 11.05.01 DE

1 May 2003 Application Open to Public Inspection

  Published as AU-A-2002312892

4 March 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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