A Drill Bit Assembly for Fluid-Operated Percussion Drill Tools

Details for Australian Patent Application No. 2008100136 (hide)

Owner Minroc Technical Promotions Limited

Inventors Purcell, Joseph

Agent Wrays

Pub. Number AU-A-2008100136

Filing date 6 February 2008

Opi date 15 May 2008

International Classifications

E21B 10/36 (2006.01) Drilling tools - Percussion drill bits

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

Event Publications

6 March 2008 Innovation Patent Application Filed

15 May 2008 Innovation Patent Open to Public Inspection

  Published as AU-A-2008100136

15 May 2008 Innovation Patent Sealed

9 August 2012 Assignment Registered

  Minroc Technical Promotions Limited The patent has been assigned to Mincon Internaitonal Ltd

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