Shaped inserts with increased retention force

Details for Australian Patent Application No. 2007201463 (hide)

Owner Smith International, Inc.

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

Agent Spruson & Ferguson

Pub. Number AU-B-2007201463

Parent 2004205106

Filing date 3 April 2007

Wipo publication date 26 April 2007

Acceptance publication date 9 September 2010

International Classifications

E21B 10/573 (2006.01) Drilling tools

E21B 10/16 (2006.01) Drilling tools

E21B 10/52 (2006.01) Drilling tools

Event Publications

19 April 2007 Complete Application Filed

26 April 2007 Application Open to Public Inspection

  Published as AU-B-2007201463

9 September 2010 Application Accepted

  Published as AU-B-2007201463

13 January 2011 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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