Trademark Overview
On Wednesday, January 31, 1945, a trademark application was filed for HYDROMASTER with the United States Patent and Trademark Office. The USPTO has given the HYDROMASTER trademark a serial number of 71479235. The federal status of this trademark filing is EXPIRED as of Wednesday, December 3, 1986. This trademark is owned by HYDRAULIC ENGINEERING CO. INC.. The HYDROMASTER trademark is filed in the Machinery Products category with the following description:
MANUALLY OPERABLE HYDRAULIC OPERATIONAL CONTROL VALVES, FLUID PRESSURE CYLINDERS, FLUID PRESSURE RAMS AND FLUID PRESSURE ACCUMULATORS FOR HYDRAULIC OPERATIONAL USES