U.S. federal trademark · Serial No. 79035636 · Reg. No. 3335580
Stones and bricks, namely fireproof and heat resistant stones and bricks; fireproof stones, sand, cement mixes, insulating bricks and insulating plates 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.