Improvements in or relating to rock drilling equipment

Details for Australian Patent Application No. 2005230558 (hide)

Owner Halco Drilling International Limited

Inventors Green, Christopher James

Agent Patent Attorney Services

Pub. Number AU-B-2005230558

PCT Pub. Number WO2005/098192

Priority 0407947.1 07.04.04 GB

Filing date 5 April 2005

Wipo publication date 20 October 2005

Acceptance publication date 3 December 2009

International Classifications

E21B 4/14 (2006.01) Drives for drilling, used in the borehole

E21B 21/12 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

Event Publications

23 November 2006 PCT application entered the National Phase

  PCT publication WO2005/098192 Priority application(s): WO2005/098192

3 December 2009 Application Accepted

  Published as AU-B-2005230558

1 April 2010 Standard Patent Sealed

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