Mounting and preparing a gemstone or industrial diamond for the formation of a mark on the surface thereof

Details for Australian Patent Application No. 2002231996 (hide)

Owner Gersan Establishment

Inventors Smith, James Gordon Charters; Crowder, Michael John; Guy, Keith Barry; Willis, Maxwell Ralph

Agent Shelston IP

Pub. Number AU-B-2002231996

PCT Pub. Number WO2002/066263

Priority 0103881.9 16.02.01 GB

Filing date 18 February 2002

Wipo publication date 4 September 2002

Acceptance publication date 9 March 2006

International Classifications

B44C 1/00 (2006.01) Processes, not specifically provided for elsewhere, for producing decorative surface effects

B28D 5/00 (2006.01) Fine working of gems, jewels, crystals, e.g. of semiconductor material

B44C 1/22 (2006.01) Processes, not specifically provided for elsewhere, for producing decorative surface effects - Removing surface-material, e.g. by engraving, by etching

C04B 41/00 (2006.01) After-treatment of mortars, concrete, artificial stone or ceramics

Event Publications

27 February 2003 Application Open to Public Inspection

  Published as AU-B-2002231996

9 March 2006 Application Accepted

  Published as AU-B-2002231996

6 July 2006 Standard Patent Sealed

23 December 2010 Assignment Registered

  Gersan Establishment The patent has been assigned to De Beers Centenary AG

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