Variable electromagnetic damping apparatus

Details for Australian Patent Application No. 2002318340 (hide)

Owner MTS Systems Corporation

Inventors Oliver, Warren C.

Agent Freehills

Pub. Number AU-B-2002318340

PCT Number PCT/US02/18483

PCT Pub. Number WO2002/099308

Priority 60/296,676 07.06.01 US

Filing date 7 June 2002

Wipo publication date 16 December 2002

Acceptance publication date 13 December 2007

International Classifications

G01N 3/42 (2006.01) Investigating strength properties of solid materials by application of mechanical stress

F16F 15/03 (2006.01) Suppression of vibrations in systems - using electromagnetic means

H02K 33/18 (2006.01) Motors with reciprocating, oscillating, or vibrating magnet, armature, or coil system - with coil system moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnet

H02P 25/06 (2006.01) Arrangements or methods for the control of ac-motors characterised by the kind of ac-motor or by structural details

G01N 3/00 (2006.01) Investigating strength properties of solid materials by application of mechanical stress

G01N 3/02 (2006.01) Investigating strength properties of solid materials by application of mechanical stress

Event Publications

9 January 2003 Complete Application Filed

  Priority application(s): 60/296,676 07.06.01 US

8 May 2003 Application Open to Public Inspection

  Published as AU-B-2002318340

7 April 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

21 April 2005 Corrigenda

  Applications Lapsed, Refused or Withdrawn, Patents Ceased or Expired - 2002 Delete all reference to Application No. 2002318340.

13 December 2007 Application Accepted

  Published as AU-B-2002318340

10 April 2008 Standard Patent Sealed

7 January 2010 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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