Trademark Overview
On Wednesday, November 17, 1954, a trademark application was filed for WATCHMAN with the United States Patent and Trademark Office. The USPTO has given the WATCHMAN trademark a serial number of 71676849. The federal status of this trademark filing is EXPIRED as of Monday, December 30, 1996. This trademark is owned by VAPOR HEATING CORPORATION. The WATCHMAN trademark is filed in the Environmental Control Instrument Products category with the following description:
AUTOMATIC GAS AND OIL-FIRED HOT WATER HEATERS USED TO CIRCULATE HOT WATER THROUGH A DIESEL LOCOMOTIVE ENGINE WHILE THE LATTER IS OUT OF SERVICE DURING COLD WEATHER