CASING WEAR BAND AND METHOD OF ATTACHMENT

Details for Australian Patent Application No. 2002304942 (hide)

Owner TESCO CORPORATION

Inventors SLACK, Maurice, William

Pub. Number AU-A-2002304942

PCT Number PCT/CA02/00892

PCT Pub. Number WO2002/103155

Priority 2,353,249 18.07.01 CA; 2,350,681 15.06.01 CA

Filing date 13 June 2002

Wipo publication date 2 January 2003

International Classifications

E21B 017/10 Drilling rods or pipes

E21B 017/16 Drilling rods or pipes

E21B 007/20 Special methods or apparatus for drilling - Driving or forcing casings or pipes into boreholes, e.g. sinking

Event Publications

19 December 2002 Complete Application Filed

  Priority application(s): 2,353,249 18.07.01 CA; 2,350,681 15.06.01 CA

15 May 2003 Application Open to Public Inspection

  Published as AU-A-2002304942

11 March 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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