Lower Control System Regulating the Flow Rate of Lifting Jack Oil

Details for Australian Patent Application No. 2003203455 (hide)

Owner Shinn Fu Corporation

Inventors Cheng, Hsien-Pi

Agent Spruson & Ferguson

Pub. Number AU-B-2003203455

Filing date 31 March 2003

Wipo publication date 21 October 2004

Acceptance publication date 21 January 2010

International Classifications

F15B 15/22 (2006.01) Fluid-actuated devices for displacing a member from one position to another

B66F 1/08 (2006.01) Devices, e.g. jacks, for lifting loads in predetermined steps

B66F 3/24 (2006.01) Devices, e.g. jacks, adapted for uninterrupted lifting of loads - fluid-pressure operated

F15B 11/048 (2006.01) Servomotor systems without provision for follow-up action

Event Publications

17 April 2003 Complete Application Filed

1 May 2003 Corrigenda

  Complete Applications Filed - Name Index Under the name Shinn Fu Corporation, Application No. 2003203455, Under INID (22) correct the filing date to read 31.03.2003.

21 October 2004 Application Open to Public Inspection

  Published as AU-B-2003203455

21 January 2010 Application Accepted

  Published as AU-B-2003203455

20 May 2010 Standard Patent Sealed

25 October 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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