Trademark Overview
On Saturday, July 5, 1947, a trademark application was filed for GRAD-U-RELAY with the United States Patent and Trademark Office. The USPTO has given the GRAD-U-RELAY trademark a serial number of 71527816. The federal status of this trademark filing is EXPIRED as of Tuesday, November 3, 1992. This trademark is owned by MINNEAPOLIS-HONEYWELL REGULATOR COMPANY. The GRAD-U-RELAY trademark is filed in the Environmental Control Instrument Products category with the following description:
PRESSURE RESPONSIVE CONTROLS FOR REGULATING HEATING OR AIR CONDITIONING SYSTEMS,