Core drill bit with extended matrix height

Details for Australian Patent Application No. 2007333850 (hide)

Owner Longyear TM, Inc.

Inventors Rupp, Michael; Drivdahl, Kristian Shayne

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2007333850

PCT Pub. Number WO2008/076908

Priority 11/610,680 14.12.06 US

Filing date 14 December 2007

Wipo publication date 26 June 2008

Acceptance publication date 10 February 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

9 July 2009 PCT application entered the National Phase

  PCT publication WO2008/076908 Priority application(s): WO2008/076908

4 November 2010 Alteration of Name

  The name of the applicant has been altered to Boart Longyear Company

16 December 2010 Assignment before Grant

  Boart Longyear Company The application has been assigned to Longyear TM, Inc. 2008

10 February 2011 Application Accepted

  Published as AU-B-2007333850

9 June 2011 Standard Patent Sealed

Legal

The information provided by the Site not in the nature of legal or other professional advice. The information provided by the Site is derived from third parties and may contain errors. You must make your own enquiries and seek independent advice from the relevant industry professionals before acting or relying on any information contained herein. Check the above data against the Australian Patent Office AUSPAT database.

Next and Previous Patents/Applications

2007333857-Treatment of pigs with PCV2 antigen

2007333846-Bis-sulfhydryl macrocyclization systems