Wrenching tong

Details for Australian Patent Application No. 2003212901 (hide)

Owner Weatherford/Lamb, Inc.

Inventors Schulze-Beckinghausen, Jorg Erich; Carlsson, Andreas; Liess, Martin; Pietras, Bernd-Georg

Agent Pizzeys

Pub. Number AU-B-2003212901

PCT Number PCT/US03/03195

PCT Pub. Number WO2003/069113

Priority 10/074,947 12.02.02 US; 10/146,599 15.05.02 US

Filing date 4 February 2003

Wipo publication date 4 September 2003

Acceptance publication date 12 July 2007

International Classifications

E21B 19/16 (2006.01) Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

Event Publications

24 July 2003 Complete Application Filed

  Priority application(s): 10/074,947 12.02.02 US; 10/146,599 15.05.02 US

2 October 2003 Application Open to Public Inspection

  Published as AU-B-2003212901

12 July 2007 Application Accepted

  Published as AU-B-2003212901

8 November 2007 Standard Patent Sealed

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