DRILLING HEAD OF A DRILLING DEVICE, PARTICULARLY A WASH DRILLING HEAD OF A HORIZONTAL DRILLING DEVICE

Details for Australian Patent Application No. 2002316825 (hide)

Owner TRACTO-TECHNIK GMBH

Inventors BAYER, Hans-Joachim

Pub. Number AU-A-2002316825

PCT Number PCT/EP02/03608

PCT Pub. Number WO2002/084065

Priority 101 16 363.3 02.04.01 DE

Filing date 2 April 2002

Wipo publication date 28 October 2002

International Classifications

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

E21B 049/00 Testing the nature of borehole walls

Event Publications

9 January 2003 Complete Application Filed

  Priority application(s): 101 16 363.3 02.04.01 DE

17 April 2003 Application Open to Public Inspection

  Published as AU-A-2002316825

19 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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