Down-the-hole drill drive coupling

Details for Australian Patent Application No. 2009231791 (hide)

Owner Center Rock Inc.

Inventors Lyon, Leland H.

Agent Cullens

Pub. Number AU-B-2009231791

PCT Pub. Number WO2009/124051

Priority 61/040,817 31.03.08 US

Filing date 31 March 2009

Wipo publication date 8 October 2009

Acceptance publication date 5 April 2012

International Classifications

E21B 17/046 (2006.01) Drilling rods or pipes

Event Publications

14 October 2010 PCT application entered the National Phase

  PCT publication WO2009/124051 Priority application(s): WO2009/124051

5 April 2012 Application Accepted

  Published as AU-B-2009231791

2 August 2012 Standard Patent Sealed

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