U.S. federal trademark · Serial No. 79107606 · Reg. No. 4188670
[ Non-metallic minerals for building or construction; ceramic building materials in the nature of ceramic board and ceramic siding; bricks; refractory products not of metal, namely, ramming mixes, refractory castable mixes, fired refractory materials, ceramic shapes for use in refractory furnaces, refractory blocks, all not of metal; boards and powders for building purposes made of inorganic non-asbestos fibers, namely, silicon carbide whiskers and silicon nitride whiskers ]
Electrical insulating materials; ceramic electrical insulators [ (( ceramic spacer sheets used for preventing seizure in the calcining process of ceramic products )) ]
Chemicals and chemical materials used in industry, science and agriculture, namely,[ magnesium hydroxide, ] magnesium oxide [ magnesium carbonate, calcium hydroxide, calcium oxide, calcium carbonate, zirconium oxide, calcium sulfite, calcium peroxide, silicon carbide, silicon nitride; chemicals used in deposition, namely, chemical source material for the deposition of thin films; magnesium oxide ceramics in particle and compacted form used as target material for sputtering, electron-beam deposition and evacuated deposition; ceramic materials in particle and compacted form used as target material for sputtering, electron-beam deposition and evacuated deposition; ceramic materials for industrial use in powder, particle and granular form; adhesives, not for stationery or household purposes; plant growth regulating preparations; fertilizing preparations ]
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.