Trademark Overview
On Wednesday, June 2, 1948, a trademark application was filed for PX with the United States Patent and Trademark Office. The USPTO has given the PX trademark a serial number of 71558287. The federal status of this trademark filing is EXPIRED as of Tuesday, November 3, 1992. This trademark is owned by E.I. DU PONT DE NEMOURS AND COMPANY. The PX trademark is filed in the Fabrics & Textile Products category with the following description:
PLASTIC IMPREGNATED FABRICS OF COTTON, LINEN, AND SYNTHETIC FIBERS USED FOR BOOKBINDING AND THE LIKE