Apparatus and methods for assessment, evaluation and grading of gemstones

Details for Australian Patent Application No. 2008234423 (hide)

Owner Opal Producers Australia Limited

Inventors Hornabrook, Angus Nelson; Bischof, Leanne; Lagerstrom, Ryan; Lummis, Rodney Herbert; Hornabrook, Graham Alfred; Hilsenstein, Volker; Imrie, Robert George; Sutton, Peter Bruce; Marchant, Stuart Norman; Primmer, Kathryn Elizabeth

Agent Peter Maxwell & Associates

Pub. Number AU-B-2008234423

PCT Pub. Number WO2008/119125

Priority 2007901825 03.04.07 AU

Filing date 2 April 2008

Wipo publication date 9 October 2008

Acceptance publication date 23 February 2012

International Classifications

G01N 21/87 (2006.01) Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light - Investigating jewels

G01N 21/00 (2006.01) Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light

Event Publications

15 October 2009 PCT application entered the National Phase

  PCT publication WO2008/119125 Priority application(s): WO2008/119125

23 February 2012 Application Accepted

  Published as AU-B-2008234423

21 June 2012 Standard Patent Sealed

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