Trademark Overview
On Saturday, July 10, 1948, a trademark application was filed for VARI-VAC with the United States Patent and Trademark Office. The USPTO has given the VARI-VAC trademark a serial number of 71561100. The federal status of this trademark filing is EXPIRED as of Tuesday, November 3, 1992. This trademark is owned by C.A. DUNHAM COMPANY. The VARI-VAC trademark is filed in the Environmental Control Instrument Products category with the following description:
STEAM HEATING APPARATUS COMPRISING VACUUM PUMPS, DIFFERENTIAL CONTROLLERS, ACCUMULATOR TANKS, CONTROL EQUIPMENT, AND CONTROL VALVES, ALL FOR USE IN CONNECTION WITH OR FORMING PART OF STEAM HEATING SYSTEMS