DUAL DOWNFORCE MECHANISM FOR A CLEANING HEAD OF A SURFACE CONDITIONING VEHICLE

Details for Australian Patent Application No. 2002318400 (hide)

Owner TENNANT COMPANY

Inventors FORTMAN, Lloyd, D.; JOYNT, Daniel, L.

Pub. Number AU-A-2002318400

PCT Number PCT/US02/19982

PCT Pub. Number WO2003/003898

Priority 60/302,837 02.07.01 US; 10/034,230 20.12.01 US

Filing date 21 June 2002

Wipo publication date 21 January 2003

International Classifications

A47L 011/40 Cleaning floors, carpets, furniture, walls, or wall coverings

Event Publications

9 January 2003 Complete Application Filed

  Priority application(s): 60/302,837 02.07.01 US; 10/034,230 20.12.01 US

22 May 2003 Application Open to Public Inspection

  Published as AU-A-2002318400

18 March 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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