STEEL FOR SPRING BEING IMPROVED IN QUENCHING CHARACTERISTICS AND RESISTANCE TO PITTING CORROSION

Details for Australian Patent Application No. 2003284550 (hide)

Owner MITSUBISHI STEEL MFG. CO., LTD.

Inventors FUKUZUMI, Tatsuo; HIROMATSU, Hidenori; SATO, Motoyuki; HARA, Ryo

Pub. Number AU-A-2003284550

PCT Number PCT/JP2003/0144

PCT Pub. Number WO2004/046405

Priority 2002-337655 21.11.02 JP

Filing date 13 November 2003

Wipo publication date 15 June 2004

International Classifications

C22C 038/00 Ferrous alloys, e.g. steel alloys

C22C 038/32 Ferrous alloys, e.g. steel alloys - with boron

C22C 038/60 Ferrous alloys, e.g. steel alloys - containing lead, selenium, tellurium or antimony, or more than 0.04% by weight of sulfur

Event Publications

25 March 2004 Complete Application Filed

  Priority application(s): 2002-337655 21.11.02 JP

15 July 2004 Application Open to Public Inspection

  Published as AU-A-2003284550

4 August 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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