Modified buchholz relay for continuous monitoring of gas generated by transformer internal faults

Details for Australian Patent Application No. 2002100385 (hide)

Owner Williams, J.

Inventors Williams, John Owen

Pub. Number AU-B-2002100385

Filing date 15 May 2002

Opi date 16 January 2003

International Classifications

H02H 005/08 Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection

Event Publications

16 January 2003 Certified Innovation Patents

  Published as AU-B-2002100385

4 January 2007 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

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

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