Methods for heat treating thick-walled forgings

Details for Australian Patent Application No. 2006294442 (hide)

Owner Hydril LLC

Inventors Huff, Philip A.

Agent Pizzeys

Pub. Number AU-A-2006294442

PCT Pub. Number WO2007/038789

Priority 11/239,035 29.09.05 US

Filing date 29 September 2006

Wipo publication date 5 April 2007

International Classifications

C21D 6/00 (2006.01) Heat treatment of ferrous alloys

C22C 38/00 (2006.01) Ferrous alloys, e.g. steel alloys

Event Publications

17 April 2008 PCT application entered the National Phase

  PCT publication WO2007/038789 Priority application(s): WO2007/038789

31 July 2008 Assignment before Grant

  Hydril LLC The application has been assigned to Hydril USA Manufacturing LLC

17 March 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(e). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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