Current Transformer

Details for Australian Patent Application No. 2008101105 (hide)

Owner Howard Butler Limited

Inventors Welch, Trevor

Agent Cotters

Pub. Number AU-A-2008101105

Filing date 12 November 2008

Opi date 18 December 2008

International Classifications

H01F 27/34 (2006.01) Details of transformers or inductances, in general - Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields

H01F 27/00 (2006.01) Details of transformers or inductances, in general

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

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

Event Publications

4 December 2008 Innovation Patent Application Filed

18 December 2008 Innovation Patent Open to Public Inspection

  Published as AU-A-2008101105

18 December 2008 Innovation Patent Sealed

7 June 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143A(d), or Expired. Examination has not been requested on this patent. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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