Fiber-containing diamond-impregnated cutting tools

Details for Australian Patent Application No. 2007342231 (hide)

Owner Boart Longyear

Inventors Rupp, Michael; Drivdahl, Kristian

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2007342231

PCT Pub. Number WO2008/085616

Priority 60/867,882 30.11.06 US; 60/917,016 09.05.07 US

Filing date 30 November 2007

Wipo publication date 17 July 2008

Acceptance publication date 23 June 2011

International Classifications

E21B 10/46 (2006.01) Drilling tools - characterised by wear resisting parts, e.g. diamond inserts

Event Publications

9 July 2009 PCT application entered the National Phase

  PCT publication WO2008/085616 Priority application(s): WO2008/085616

23 June 2011 Application Accepted

  Published as AU-B-2007342231

20 October 2011 Standard Patent Sealed

16 February 2012 Assignment Registered

  Boart Longyear The patent has been assigned to Longyear TM, Inc.

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