Trademark Overview
On Thursday, December 20, 1962, a trademark application was filed for NATIONAL N with the United States Patent and Trademark Office. The USPTO has given the NATIONAL N trademark a serial number of 72159544. The federal status of this trademark filing is EXPIRED as of Sunday, June 10, 1984. This trademark is owned by UNION CARBIDE CORPORATION. The NATIONAL N trademark is filed in the Metal Products category with the following description:
REFRACTORY HARD METALS BEING COMPOUNDS FORMED BY REACTING BORON, CARBON, NITROGEN OR SILICON WITH EACH OTHER OR WITH TRANSITION METALS, SUCH AS TITANIUM, VANADIUM, CHROMIUM, ZIRCONIUM, COLUMMBIUM, MOLYBDENUM, HAFNUM, TANTALUM, AND TUNGSTEN