Earth penetrating rotary drill bit with helical ports

Details for Australian Patent Application No. 2004256427 (hide)

International Classifications

Event Publications

2 February 2006 PCT application entered the National Phase

PCT publication WO2005/005769 Priority application(s): WO2005/005769

18 February 2010 Application Accepted

Published as AU-B-2004256427

17 June 2010 Standard Patent Sealed

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