Trademark Overview
On Monday, April 3, 1961, a trademark application was filed for IHS with the United States Patent and Trademark Office. The USPTO has given the IHS trademark a serial number of 72117019. The federal status of this trademark filing is EXPIRED as of Tuesday, December 22, 1987. This trademark is owned by INDUSTRIAL HEAT SYSTEMS. The IHS trademark is filed in the Environmental Control Instrument Products category with the following description:
ELECTRICAL HEATERS, HEATER PANELS, AND OVENS