Shaped inserts with increased retention force

Details for Australian Patent Application No. 2004205106 (hide)

Owner Smith International, Inc.

Inventors Griffo, Anthony; Cawthorne, Chris E.; Richman, Lance T.; Viwanadham, Ramamurthy

Agent Spruson & Ferguson

Pub. Number AU-A-2004205106

Priority unknown 12.08.04 US; 60/494867 13.08.03 US

Filing date 13 August 2004

Wipo publication date 3 March 2005

Acceptance publication date 4 January 2007

International Classifications

E21B 010/08 Drilling tools - Roller bits

E21B 010/16 Drilling tools

Event Publications

2 September 2004 Complete Application Filed

  Priority application(s): unknown 12.08.04 US; 60/494867 13.08.03 US

3 March 2005 Application Open to Public Inspection

  Published as AU-A-2004205106

4 January 2007 Application Accepted

  Published as AU-A-2004205106

17 May 2007 Standard Patent Sealed

18 August 2011 Assignment Registered

  Smith International, Inc. The patent has been assigned to Sandvik Intellectual Property AB

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