Two Stage Welder and Method of Operating Same

Details for Australian Patent Application No. 2003210444 (hide)

Owner Lincoln Global, Inc.

Inventors Hsu, Christopher

Agent Spruson & Ferguson

Pub. Number AU-B-2003210444

PCT Number PCT/US03/00320

PCT Pub. Number WO2003/076114

Priority 10/091,278 06.03.02 US

Filing date 6 January 2003

Wipo publication date 22 September 2003

Acceptance publication date 23 August 2007

International Classifications

B23K 9/09 (2006.01) Electric welding or cutting - Arrangements or circuits for arc welding with pulsed current or voltage

B23K 9/073 (2006.01) Electric welding or cutting

B23K 9/10 (2006.01) Electric welding or cutting - Other electric circuits therefor

H02M 9/00 (2006.01) Conversion of dc or ac input power into surge output power

Event Publications

17 July 2003 Complete Application Filed

  Priority application(s): 10/091,278 06.03.02 US

30 October 2003 Application Open to Public Inspection

  Published as AU-B-2003210444

23 August 2007 Application Accepted

  Published as AU-B-2003210444

20 December 2007 Standard Patent Sealed

30 July 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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