Trademark Overview
On Monday, January 20, 2025, a trademark application was filed for DERF with the United States Patent and Trademark Office. The USPTO has given the DERF trademark a serial number of 99012739. The federal status of this trademark filing is NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER as of Monday, January 20, 2025. This trademark is owned by GPRE IP, LLC. The DERF trademark is filed in the Non-Metallic Building Material Products category with the following description:
Ceramic bricks for use in refractory furnaces; ceramic troughs for use with refractory furnaces