Dual, coupled check valve for direct drive, reversible power sources for hydraulic systems

Details for Australian Patent Application No. 2004221347 (hide)

Owner Last, H.

Inventors Last, Harry J.

Agent Griffith Hack

Pub. Number AU-B-2004221347

PCT Pub. Number WO2004/083645

Priority 60/455,999 18.03.03 US

Filing date 18 March 2004

Wipo publication date 30 September 2004

Acceptance publication date 9 October 2008

International Classifications

F15B 7/00 (2006.01) Fluid-pressure actuator systems

F15B 7/10 (2006.01) Fluid-pressure actuator systems

Event Publications

3 November 2005 PCT application entered the National Phase

  PCT publication WO2004/083645 Priority application(s): WO2004/083645

9 October 2008 Application Accepted

  Published as AU-B-2004221347

5 February 2009 Standard Patent Sealed

14 October 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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