U.S. federal trademark · Serial No. 76196168 · Reg. No. 30054458
quartz glass, vitreous fused silica, as well as semi-finished products manufactured thereof, namely tubes, rods, plates, and blocks; semi-finished quartz glass preparations for the manufacture of optical fibers; quartz glass powder and quartz glass granulate as an intermediate component for the manufacture of quartz glass products
chemicals for commercial and scientific purposes, namely, siliceous powder and granulate, for use as a filler, additive, as an auxiliary flow agent, as a pigment extender, as a basic material for the manufacture of quartz glass products, and as a carrier and packing material in a catalysis; pressed chemical preparations of quartz glass powder or quartz glass granulate for use as a basic material for the manufacture of quartz glass products and as a carrier and packing material for catalysis
quartz glass products for use in the chemical industry, in the electrical industry, in the semiconductor industry and for laboratory purposes, namely cuvettes, inspection glasses, flasks, crucibles, dishes, beakers, frits, ground slides, trays, diffusion tubes, bells, epitaxy tubes, boats, catalyzer carriers; quartz glass products for optical equipment, namely lenses, prisms, plates, filters, mirrors, mirror carriers, optical guides; optical fibers
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.