Improved positive signal comparator and method

Details for Australian Patent Application No. 2003298780 (hide)

Owner Quantum Engineering, Inc.

Inventors Kane, Mark Edward; Hickenlooper, Harrison Thomas; Shockley, James Francis

Agent Spruson & Ferguson

Pub. Number AU-B-2003298780

PCT Number PCT/US2003/0381

PCT Pub. Number WO2005/066731

Filing date 1 December 2003

Wipo publication date 12 August 2005

Acceptance publication date 22 November 2007

International Classifications

B61L 3/12 (2006.01) Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal

Event Publications

6 May 2004 Complete Application Filed

15 September 2005 Application Open to Public Inspection

  Published as AU-B-2003298780

22 November 2007 Application Accepted

  Published as AU-B-2003298780

20 March 2008 Standard Patent Sealed

21 August 2008 Application for Amendment

  The nature of the amendment is as shown in the statement(s) filed 28 Apr 2008. Address for service in Australia - Spruson & Ferguson Level 35 St Martins Tower 31 Market Street Sydney NSW 2000 2004

15 January 2009 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 28 Apr 2008 2004

24 June 2010 Assignment Registered

  Quantum Engineering, Inc. The patent has been assigned to Invensys Rail Corporation

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