High-strength steel sheet excellent in stretch flangeability and fatigue property

Details for Australian Patent Application No. 2007273767 (hide)

Owner Nippon Steel Corporation

Inventors Harada, Hiroshi; Ohashi, Wataru; Kawasaki, Kaoru; Yamamoto, Kenichi; Sasai, Katsuhiro

Agent Spruson & Ferguson

Pub. Number AU-B-2007273767

PCT Pub. Number WO2008/007477

Priority 2006-193893 14.07.06 JP

Filing date 2 March 2007

Wipo publication date 17 January 2008

Acceptance publication date 12 August 2010

International Classifications

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

C22C 38/14 (2006.01) Ferrous alloys, e.g. steel alloys - containing titanium or zirconium

C22C 38/38 (2006.01) Ferrous alloys, e.g. steel alloys - with more than 1.5% by weight of manganese

C21D 9/46 (2006.01) Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles - for sheet metals

Event Publications

19 February 2009 PCT application entered the National Phase

  PCT publication WO2008/007477 Priority application(s): WO2008/007477

12 August 2010 Application Accepted

  Published as AU-B-2007273767

9 December 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under reg. 22.2I(2). This application has been accepted or advertised accepted. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

16 December 2010 Corrigenda

  Applications Lapsed, Refused or Withdrawn, Patents Ceased or Expired - 2007 Delete all reference to Application No. 2007273767.

23 December 2010 Standard Patent Sealed

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