Mark Identification
GEMSTONE
Serial Number
85924478
Filing Date
May 6, 2013
Registration Date
Dec 31, 2013
Trademark by
Active Trademark
Classification Information
Ceramic shapes for use in refractory furnaces; Refractory castable mixes, not of metal; Refractory furnace linings, not of metal; Refractory shapes, not of metal
Nonmetallic Building Materials