DEVICE OF A DERRICK

Details for Australian Patent Application No. 2001236225 (hide)

Owner KRISTIANSEN, Gunnar

Inventors KRISTIANSEN, Gunnar

Pub. Number AU-A-2001236225

PCT Pub. Number WO2002/072996

Filing date 16 February 2001

Wipo publication date 24 September 2002

International Classifications

E21B 019/086 Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

E21B 015/00 Other equipment or details for drilling

Event Publications

20 March 2003 Application Open to Public Inspection

  Published as AU-A-2001236225

12 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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