An improved orbital gold and gemstone concentrator

Details for Australian Patent Application No. 2002100632 (hide)

Owner Hempel, D.

Inventors Hempel, David Charles

Agent Hempel, David Charles of **** Street Blayney NSW 2799 Australia

Pub. Number AU-A-2002100632

Filing date 12 August 2002

Opi date 28 November 2002

International Classifications

B07B 001/08 Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like - Screens rotating within their own plane

B07B 001/02 Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like

Event Publications

28 November 2002 Innovation Patent Open to Public Inspection

  Published as AU-A-2002100632

28 November 2002 Innovation Patent Sealed

10 March 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143A(d), or Expired. Examination has not been requested on this patent. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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