A boring head and a roller cutter and a saddle for a boring head for rotary drilling

Details for Australian Patent Application No. 2002366935 (hide)

Owner Sandvik Intellectual Property AB

Inventors Brolund, Stig-Ake

Agent Griffith Hack

Pub. Number AU-B-2002366935

PCT Number PCT/SE02/02209

PCT Pub. Number WO2003/054341

Priority 0104138-3 10.12.01 SE

Filing date 2 December 2002

Wipo publication date 9 July 2003

Acceptance publication date 31 May 2007

International Classifications

E21B 10/10 (2006.01) Drilling tools

E21B 7/28 (2006.01) Special methods or apparatus for drilling

E21B 10/28 (2006.01) Drilling tools

Event Publications

28 August 2003 Complete Application Filed

  Priority application(s): 0104138-3 10.12.01 SE

2 October 2003 Application Open to Public Inspection

  Published as AU-B-2002366935

30 June 2005 Assignment before Grant

  Sandvik AB The application has been assigned to Sandvik Intellectual Property HB 2003

2 February 2006 Assignment before Grant

  Sandvik Intellectual Property HB The application has been assigned to Sandvik Intellectual Property AB 2003

31 May 2007 Application Accepted

  Published as AU-B-2002366935

27 September 2007 Standard Patent Sealed

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