Drilling apparatus

Details for Australian Patent Application No. 2002302794 (hide)

Owner Andergauge Limited

Inventors Eddison, Alan Martyn

Agent Halford & Co

Pub. Number AU-B-2002302794

PCT Number PCT/GB02/02575

PCT Pub. Number WO2002/099242

Priority 0114874.1 19.06.01 GB; 0113585.4 05.06.01 GB

Filing date 5 June 2002

Wipo publication date 16 December 2002

Acceptance publication date 7 August 2008

International Classifications

E21B 10/40 (2006.01) Drilling tools

E21B 4/14 (2006.01) Drives for drilling, used in the borehole

E21B 6/04 (2006.01) Drives for drilling with combined rotary and percussive action

E21B 10/26 (2006.01) Drilling tools - Drill bits with leading portion, i.e. drill bits with a pilot cutter

Event Publications

12 December 2002 Complete Application Filed

  Priority application(s): 0114874.1 19.06.01 GB; 0113585.4 05.06.01 GB

8 May 2003 Application Open to Public Inspection

  Published as AU-B-2002302794

11 March 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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

20 May 2004 Section 223 Application Allowed

  Andergauge Limited The time in which to enter the national phase has been extended to 05 Mar 2004. Address for service in Australia - Halford & Co 1 Market Street Sydney NSW 2000

7 August 2008 Application Accepted

  Published as AU-B-2002302794

4 December 2008 Standard Patent Sealed

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