Rotary mine drilling bit for making blast holes

Details for Australian Patent Application No. 2003300600 (hide)

Owner Murdoch, H.

Inventors Murdoch, Henry Wallace

Agent Watermark

Pub. Number AU-B-2003300600

PCT Number PCT/US2003/0208

PCT Pub. Number WO2004/033846

Priority 10/264,953 04.10.02 US

Filing date 2 July 2003

Wipo publication date 4 May 2004

Acceptance publication date 15 January 2009

International Classifications

E21B 10/20 (2006.01) Drilling tools

Event Publications

27 May 2004 Complete Application Filed

  Priority application(s): 10/264,953 04.10.02 US

3 June 2004 Application Open to Public Inspection

  Published as AU-B-2003300600

15 January 2009 Application Accepted

  Published as AU-B-2003300600

14 May 2009 Standard Patent Sealed

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