Protective relay capable of protecting applications without protection settings

Details for Australian Patent Application No. 2004201474 (hide)

Owner Schweitzer Engineering Laboratories, Inc.

Inventors Schweitzer III, Edmund O; Lee, Tony J

Agent Freehills

Pub. Number AU-B-2004201474

Priority 10/409355 07.04.03 US

Filing date 7 April 2004

Wipo publication date 21 October 2004

Acceptance publication date 8 January 2009

International Classifications

H02H 3/28 (2006.01) Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection

H02H 7/30 (2006.01) Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions

Event Publications

22 April 2004 Complete Application Filed

  Priority application(s): 10/409355 07.04.03 US

21 October 2004 Application Open to Public Inspection

  Published as AU-B-2004201474

8 January 2009 Application Accepted

  Published as AU-B-2004201474

7 May 2009 Standard Patent Sealed

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