U.S. federal trademark · Serial No. 77914334 · Reg. No. 3895700
Components of fused silica for industrial applications, namely, semi-processed products not for building, in the nature of ingots, tubes, rods, discs, plates and rings all for general industrial and further manufacturing use
Refractory shapes, not of metal, namely, silica crucibles
Components of heat treatment apparatus, namely, furnaces for silicon fusion and strip rolls used as parts in industrial furnaces, particularly silicon fusion furnaces
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.