Trademark Overview
On Tuesday, November 6, 2001, a trademark application was filed for PYROSAND with the United States Patent and Trademark Office. The USPTO has given the PYROSAND trademark a serial number of 76334766. The federal status of this trademark filing is ABANDONED - FAILURE TO RESPOND OR LATE RESPONSE as of Thursday, September 19, 2002. This trademark is owned by Heraeus Quarzglas GmbH & Co. KG. The PYROSAND trademark is filed in the Chemical Products category with the following description:
chemical products for commercial and scientific purposes, siliceous powder and granulate, especially for use as a filler, additive, as an auxiliary flow agent, as a pigment, as a basic material for the manufacture of quartz glass products, and as a carrier and packing material in catalysis; pressed products of quartz glass powder or quartz glass granulate, especially for use as a basic material for the manufacture of quartz glass products and as a carrier and packing material in catalysis; quartz glass products for use in the chemical industry, in the electrical industry, in the semi-conductor industry and for laboratory purposes, especially 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, such as lenses, prisms, plates, filters, mirrors, mirror carriers, optical guides; optical fibers; quartz glass, vitreous fused silica, as well ...
