U.S. federal trademark · Serial No. 85348601 · Reg. No. 4335476
Refractory bricks, not of metal; refractory linings for furnaces and kilns, not of metal; bonded refractory materials, not of metal; fired refractory materials, not of metal; refractory shapes, not of metal; refractory mortars; refractory concrete; refractory construction materials; not of metal; refractory castable mixes, not of metal
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.