MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING CARTRIDGE

Details for Australian Patent Application No. 2003221416 (hide)

Owner HITACHI MAXELL, LTD.

Inventors KUSE, Sadamu; DOI, Tsugihiro; INOUE, Tetsutaro; KISHIMOTO, Mikio; SASAKI, Yuji; WATANABE, Hideaki

Pub. Number AU-A-2003221416

PCT Number PCT/JP03/03212

PCT Pub. Number WO2003/079333

Priority 2002-074617 18.03.02 JP; 2002-274435 20.09.02 JP

Filing date 18 March 2003

Wipo publication date 29 September 2003

International Classifications

G11B 005/716 Recording by magnetisation or demagnetisation of a record carrier - characterised by two or more magnetic layers

G11B 005/738 Recording by magnetisation or demagnetisation of a record carrier

G11B 005/706 Recording by magnetisation or demagnetisation of a record carrier - characterised by the composition of the magnetic material

G11B 005/735 Recording by magnetisation or demagnetisation of a record carrier

G11B 005/712 Recording by magnetisation or demagnetisation of a record carrier - characterised by the surface treatment or coating of magnetic particles

Event Publications

7 August 2003 Complete Application Filed

  Priority application(s): 2002-074617 18.03.02 JP; 2002-274435 20.09.02 JP

6 November 2003 Application Open to Public Inspection

  Published as AU-A-2003221416

2 December 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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