METHOD FOR PRODUCING DUST CORE

Details for Australian Patent Application No. 2003268698 (hide)

Owner HITACHI POWDERED METALS CO., LTD.

Inventors AKAO, Tsuyoshi; MAKINO, Isao; ISHIHARA, Chio; ASAKA, Kazuo; ISHII, Kei; TAKADA, Tamio

Pub. Number AU-A-2003268698

PCT Number PCT/JP03/12515

PCT Pub. Number WO2004/030002

Priority 2002-285141 30.09.02 JP; 2003-323824 17.09.03 JP

Filing date 30 September 2003

Wipo publication date 19 April 2004

International Classifications

H01F 041/02 Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass - for manufacturing cores, coils, or magnets

B22F 001/02 Special treatment of metallic powder, e.g. to facilitate working, to improve properties - comprising coating of the powder

B22F 003/00 Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering

Event Publications

8 January 2004 Complete Application Filed

  Priority application(s): 2002-285141 30.09.02 JP; 2003-323824 17.09.03 JP

20 May 2004 Application Open to Public Inspection

  Published as AU-A-2003268698

16 June 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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.

25 August 2005 Corrigenda

  Applications OPI - Name Index Under the name HITACHI POWDERED METALS CO., LTD., Application No. 2003268698, under INID (71) correct the name to read DENSO CORPORATION; HITACHI POWDERED METALS CO., LTD.

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