U.S. federal trademark · Serial No. 87448642 · Reg. No. 5350501
Refractory blocks, not of metal; Refractory cement; Refractory concrete; Refractory construction materials, not of metal; Refractory furnace linings, not of metal; Refractory mortars; Fireproof cement coatings; Low-fired strength-fused silica stucco refractory casting mix; Semi-refractory bricks, not of metal
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.