Trademark Overview
On Friday, April 30, 1965, a trademark application was filed for DUCTPORT with the United States Patent and Trademark Office. The USPTO has given the DUCTPORT trademark a serial number of 72217687. The federal status of this trademark filing is EXPIRED as of Sunday, January 11, 1987. This trademark is owned by AIR FILTER CORPORATION. The DUCTPORT trademark is filed in the Environmental Control Instrument Products category with the following description:
SEE-THROUGH WINDOW FOR HEATING AND VENTILATION DUCTS