TUYERE COOLING SYSTEM

Details for Australian Patent Application No. 2003229198 (hide)

Owner DOFASCO INC.

Inventors OHRT, Herman; GECAN, Lou

Pub. Number AU-A-2003229198

PCT Number PCT/CA03/00766

PCT Pub. Number WO2003/102248

Priority 60/383,777 30.05.02 US

Filing date 29 May 2003

Wipo publication date 19 December 2003

International Classifications

C21B 007/16 Blast furnaces

C21C 005/48 Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel - Bottoms or tuyères of converters

Event Publications

14 August 2003 Complete Application Filed

  Priority application(s): 60/383,777 30.05.02 US

12 February 2004 Application Open to Public Inspection

  Published as AU-A-2003229198

17 February 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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