Trademark Overview
On Thursday, July 3, 1947, a trademark application was filed for NATIONAL with the United States Patent and Trademark Office. The USPTO has given the NATIONAL trademark a serial number of 71525921. The federal status of this trademark filing is EXPIRED as of Tuesday, November 3, 1992. This trademark is owned by NATIONAL CARBON COMPANY, INC.. The NATIONAL trademark is filed in the Chemical Products category with the following description:
PASTES AND CEMENTS FOR USE WITH OR BETWEEN CARBON AND GRAPHITE AND BETWEEN CARBON OR GRAPHITE AND OTHER SUBSTANCES FOR USE IN GAS LINES, FURNACES, THERMIC APPLICATIONS, ELECTROLYTIC APPARATUS, AND CONSTRUCTION WORK IN THE CHEMICAL AND METALLURGICAL INDUSTRIES, AND PASTES AND CEMENTS FOR USE IN M MAKING MOLDS, TEMPORARY WALLS, AND PROTECTIVE LAYERS IN WELDING OPERATIONS