Toroidal inductive devices and methods of making the same

Details for Australian Patent Application No. 2002236811 (hide)

Owner Buswell, H.

Inventors Buswell, Harrie R

Agent Griffith Hack

Pub. Number AU-B-2002236811

PCT Pub. Number WO2002/059914

Priority 60/263,638 23.01.01 US

Filing date 23 January 2002

Wipo publication date 6 August 2002

Acceptance publication date 19 April 2007

International Classifications

H01F 27/28 (2006.01) Details of transformers or inductances, in general - Coils

H01F 27/24 (2006.01) Details of transformers or inductances, in general - Magnetic cores

H01F 30/00 (2006.01) Fixed transformers not covered by group

H01F 30/16 (2006.01) Fixed transformers not covered by group

H01F 37/00 (2006.01) Fixed inductances not covered by group

Event Publications

6 February 2003 Application Open to Public Inspection

  Published as AU-B-2002236811

19 April 2007 Application Accepted

  Published as AU-B-2002236811

23 August 2007 Standard Patent Sealed

18 August 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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