Tempchek Trademarks

TEMPCHEK
Refractory shapes, not of metal, used for measuring the amount of heat absorbed when firing a material in a furnace, kiln or oven
Pending  ·  November 30, 2023  ·  98292394  · 
tempchek
TEMPCHEK
pyrometric refractory shapes used for measuring the amount of heat absorbed during firing of a kiln
Cancelled  ·  March 25, 1994  ·  74505030  · 
TEMPCHEK
THERMAL INSULATING MATERIAL IN THE FORM OF SHEETS OR BLOCKS
Expired  ·  August 30, 1971  ·  72401566  ·