Asymmetric graded composites for improved drill bits

Details for Australian Patent Application No. 2006202788 (hide)

Owner Smith International, Inc

Inventors Liang, Dah-Ben; Lockwood, Gregory T; Viswanadham, Ramamurthy

Agent Collison & Co

Pub. Number AU-B-2006202788

Priority Unknown 29.06.06 US; 60/696061 01.07.05 US

Filing date 30 June 2006

Wipo publication date 18 January 2007

Acceptance publication date 2 April 2009

International Classifications

E21B 10/56 (2006.01) Drilling tools

E21B 10/52 (2006.01) Drilling tools

Event Publications

13 July 2006 Complete Application Filed

  Priority application(s): Unknown 29.06.06 US; 60/696061 01.07.05 US

18 January 2007 Application Open to Public Inspection

  Published as AU-B-2006202788

2 April 2009 Application Accepted

  Published as AU-B-2006202788

6 August 2009 Standard Patent Sealed

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