Multi-sectional percussive drill bit assembly

Details for Australian Patent Application No. 2006344400 (hide)

Owner Keystone Air & Drill Supply Co

Inventors Smith, Richard; Means, Stephen R.; Walker, Thomas A.

Agent Cullens

Pub. Number AU-B-2006344400

PCT Pub. Number WO2007/142672

Priority 11/422,625 07.06.06 US

Filing date 11 October 2006

Wipo publication date 13 December 2007

Acceptance publication date 12 May 2011

International Classifications

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

Event Publications

18 December 2008 PCT application entered the National Phase

  PCT publication WO2007/142672 Priority application(s): WO2007/142672

23 September 2010 Assignment before Grant

  Keystone Air & Drill Supply Co. The application has been assigned to Keystone Air & Drill Supply Co

12 May 2011 Application Accepted

  Published as AU-B-2006344400

8 September 2011 Standard Patent Sealed

Legal

The information provided by the Site not in the nature of legal or other professional advice. The information provided by the Site is derived from third parties and may contain errors. You must make your own enquiries and seek independent advice from the relevant industry professionals before acting or relying on any information contained herein. Check the above data against the Australian Patent Office AUSPAT database.

Next and Previous Patents/Applications

2006344427-Surgical stapler with timer and feedback display

2006344398-Method, system and apparatus for numerical black oil delumping