Serial Number
77954402
Owner
De Beers Centenary AGAttorney
Brian R. McGinleyFiling Date
Mar 9, 2010
DIAMONDPLUS Trademark
Serial Number: 77954402 • Registration: 4043725
Trademark Classes
Owner Contact Info
Legal Representation
Trademark Details
Filing Date
March 9, 2010
Registration Date
October 25, 2011
Published for Opposition
February 1, 2011
Goods & Services
Electronic devices for screening loose diamonds, comprising two solid-state lasers and two miniature spectrometers, that make a laser-excited photoluminescence measurements on stones immersed in liquid nitrogen, and that detect and screen out graphitization in fractures and halos around internal inclusions and high-pressure, high-temperature (HPHT) treated stones, and parts and fittings therefor, all for use in relation to gems and gemology or for use by gemologists, retail or wholesale jewellers, jewellery manufacturers, gemstone traders or polishers, and analytical laboratories for use in respect of gems, gemstones and jewellery