U.S. federal trademark · Serial No. 79181510
Stones and bricks for lining industrial furnaces, namely, fireproof and heat-resistant stones and bricks; non-metal fireproof masses for the manufacture of fireproof linings; fireproof mortars, fireproof cement and fireproof concrete
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.