Trademark Overview
On Thursday, April 24, 1969, a trademark application was filed for EI with the United States Patent and Trademark Office. The USPTO has given the EI trademark a serial number of 72325477. The federal status of this trademark filing is EXPIRED as of Wednesday, November 4, 1992. This trademark is owned by EUTECTIC CORPORATION. The EI trademark is filed in the Education & Entertainment Services category with the following description:
INSTRUCTIONAL SERVICES IN MAINTENANCE AND REPAIR WELDING TECHNIQUES