Core drill bit with extended matrix height

Details for Australian Patent Application No. 2011201713 (hide)

Owner Longyear TM, Inc.

Inventors Drivdahl, Kristian Shayne; Rupp, Michael

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2011201713

Parent 2007333850

Filing date 15 April 2011

Wipo publication date 12 May 2011

Acceptance publication date 16 June 2011

International Classifications

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

Event Publications

28 April 2011 Complete Application Filed

12 May 2011 Application Open to Public Inspection

  Published as AU-B-2011201713

16 June 2011 Application Accepted

  Published as AU-B-2011201713

14 July 2011 Application for Amendment

  The nature of the amendment is as shown in the statement(s) filed 15 Jun 2011. Address for service in Australia - Phillips Ormonde Fitzpatrick 367 Collins Street Melbourne VIC 3000

10 November 2011 Standard Patent Sealed

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