Percussion drill bit and a button therefor

Details for Australian Patent Application No. 2003214751 (hide)

Owner Sandvik Intellectual Property AB

Inventors Bjork, Fredrik

Agent Griffith Hack

Pub. Number AU-B-2003214751

PCT Number PCT/SE03/00494

PCT Pub. Number WO2003/085231

Priority 0201034-6 04.04.02 SE

Filing date 26 March 2003

Wipo publication date 20 October 2003

Acceptance publication date 2 October 2008

International Classifications

E21B 10/56 (2006.01) Drilling tools

Event Publications

31 July 2003 Complete Application Filed

  Priority application(s): 0201034-6 04.04.02 SE

27 November 2003 Application Open to Public Inspection

  Published as AU-B-2003214751

30 June 2005 Assignment before Grant

  Sandvik AB The application has been assigned to Sandvik Intellectual Property HB

2 February 2006 Assignment before Grant

  Sandvik Intellectual Property HB The application has been assigned to Sandvik Intellectual Property AB

2 October 2008 Application Accepted

  Published as AU-B-2003214751

29 January 2009 Standard Patent Sealed

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