Reamer with polycrystalline diamond compact inserts

Details for Australian Patent Application No. 2009246230 (hide)

Owner Longyear TM, Inc.

Inventors Rupp, Michael D.; Drivdahl, Kristian S.; Gaugh, Erik M.

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2009246230

PCT Pub. Number WO2009/140516

Priority 12/349,436 06.01.09 US; 61/053,439 15.05.08 US

Filing date 14 May 2009

Wipo publication date 19 November 2009

Acceptance publication date 23 February 2012

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 October 2010 PCT application entered the National Phase

  PCT publication WO2009/140516 Priority application(s): WO2009/140516

23 February 2012 Application Accepted

  Published as AU-B-2009246230

21 June 2012 Standard Patent Sealed

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