Trademark Overview
On Monday, May 1, 1950, a trademark application was filed for HYDROTHERM with the United States Patent and Trademark Office. The USPTO has given the HYDROTHERM trademark a serial number of 71596666. The federal status of this trademark filing is EXPIRED as of Monday, June 12, 1995. This trademark is owned by HOOK & ACKERMAN, INC.. The HYDROTHERM trademark is filed in the Environmental Control Instrument Products category with the following description:
GAS FIRED HOT WATER BOILERS OF TEMPERATURES BELOW 240 DEGREES F.