Trademark Overview
On Friday, July 10, 1942, a trademark application was filed for YH with the United States Patent and Trademark Office. The USPTO has given the YH trademark a serial number of 71454162. The federal status of this trademark filing is EXPIRED as of Friday, January 10, 1986. This trademark is owned by YORK OIL BURNER CO., INC.. The YH trademark is filed in the Environmental Control Instrument Products category with the following description:
FUEL BURNERS, BOILERS, ((AIR CONDITIONING UNITS, AND ADJUSTABLE IRIS ORIFICES FOR USE IN THE CONTROL OF FLUID FLOW))