U.S. federal trademark · Serial No. 71188204 · Reg. No. 0183374
Fire Brick, Special Shapes of Fire Brick, Special-Shaped Arches for Furnaces((, Material Ground for Use as Mortar for Laying of Brick in Furnaces, Material in a Burned and Ground-Up Condition to Be Used for Laying Up Parts in Furnaces, and Plastic Cement for Use in Furnace Construction))
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.