THREE CONE ROCK BIT WITH MULTI-PORTED NON-PLUGGING CENTER JET NOZZLE AND METHOD

Details for Australian Patent Application No. 2002335730 (hide)

Owner DICKEY, Winton, B.

Inventors DICKEY, Winton, B.

Pub. Number AU-A-2002335730

PCT Number PCT/US02/28795

PCT Pub. Number WO2004/038165

Filing date 10 September 2002

Wipo publication date 13 May 2004

International Classifications

E21B 010/18 Drilling tools

Event Publications

20 February 2003 Complete Application Filed

17 June 2004 Application Open to Public Inspection

  Published as AU-A-2002335730

26 May 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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