Trademark Overview
On Tuesday, January 5, 1954, a trademark application was filed for UNIZONE with the United States Patent and Trademark Office. The USPTO has given the UNIZONE trademark a serial number of 71659018. The federal status of this trademark filing is EXPIRED as of Tuesday, April 2, 1996. This trademark is owned by VAPOR HEATING CORPORATION. The UNIZONE trademark is filed in the Environmental Control Instrument Products category with the following description:
RAILWAY CAR AUTOMATICALLY CONTROLLED STEAM HEATING SYSTEMS OF A TYPE IN WHICH THE DELIVERY OF STEAM TO THE SYSTEM IS CONTROLLED BY A SINGLE REGULATOR OPERATIVELY RESPONSIVE TO THE TEMPERATURE AT AN OUTLET OF THE SYSTEM AND ALSO OPERATIVELY RESPONSIVE TO THE TEMPERATURE WITHIN THE CAR