PROCESS FOR HARDENING A CIRCUMFERENTIAL SURFACE ON A STEEL ARTICLE

Details for Australian Patent Application No. 2002366997 (hide)

Owner THE TIMKEN COMPANY

Inventors BURRIER, Harold, I., Jr.

Pub. Number AU-A-2002366997

PCT Number PCT/US02/40367

PCT Pub. Number WO2003/060170

Priority 10/043,132 09.01.02 US

Filing date 18 December 2002

Wipo publication date 30 July 2003

International Classifications

C21D 009/40 Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles - for rings

C21D 001/06 General methods or devices for heat treatment, e.g. annealing, hardening, quenching, tempering - Surface hardening

Event Publications

4 September 2003 Application Open to Public Inspection

  Published as AU-A-2002366997

4 September 2003 Complete Application Filed

  Priority application(s): 10/043,132 09.01.02 US

23 September 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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