Drilling tool

Details for Australian Patent Application No. 2004100150 (hide)

Owner Tracto-Technik GmbH

Inventors Not Given

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-A-2004100150

Parent 2002331297

Filing date 26 February 2004

International Classifications

E21B 010/26 Drilling tools - Drill bits with leading portion, i.e. drill bits with a pilot cutter

Event Publications

11 March 2004 Innovation Patent Application Filed

18 March 2004 Innovation Patent Open to Public Inspection

  Published as AU-A-2004100150

1 April 2004 Innovation Patent Sealed

12 August 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143A(d), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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