A process for treating opalised sandstone

Details for Australian Patent Application No. 2008249193 (hide)

Owner Hennig, L.

Inventors Hennig, Leonard M.

Agent Collison & Co

Pub. Number AU-A-2008249193

Priority 2007906433 23.11.07 AU

Filing date 24 November 2008

Wipo publication date 11 June 2009

International Classifications

A44C 17/00 (2006.01) Gems or the like

B28D 1/02 (2006.01) Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhere - by sawing

B28D 5/02 (2006.01) Fine working of gems, jewels, crystals, e.g. of semiconductor material

B28D 7/02 (2006.01) Accessories specially adapted for use with machines or devices of the other groups of this subclass

Event Publications

11 December 2008 Complete Application Filed

  Priority application(s): 2007906433 23.11.07 AU

11 June 2009 Application Open to Public Inspection

  Published as AU-A-2008249193

20 October 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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