Improved gold and gemstone concentrator

Details for Australian Patent Application No. 2003100466 (hide)

Owner Hempel, D.

Inventors Hempel, David Charles

Agent David Charles Hempel

Pub. Number AU-A-2003100466

Filing date 13 June 2003

Opi date 7 August 2003

International Classifications

B03B 005/32 Washing granular, powdered or lumpy materials

Event Publications

26 June 2003 Innovation Patent Application Filed

7 August 2003 Innovation Patent Open to Public Inspection

  Published as AU-A-2003100466

7 August 2003 Innovation Patent Sealed

12 January 2006 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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