HIGH TENSILE LOADING TOP ENTRY SUB AND METHOD

Details for Australian Patent Application No. 2002248438 (hide)

Owner HELMS, Charles, M. KAUFFMAN, Vernon, E. JONES, Bill, D.

Inventors HELMS, Charles, M.; JONES, Bill, D.; KAUFFMAN, Vernon, E.

Pub. Number AU-A-2002248438

PCT Pub. Number WO2002/066792

Priority 60/269,395 16.02.01 US

Filing date 19 February 2002

Wipo publication date 4 September 2002

International Classifications

E21B 047/00 Survey of boreholes or wells

Event Publications

27 February 2003 Application Open to Public Inspection

  Published as AU-A-2002248438

12 February 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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