Trademark Overview
On Monday, November 10, 2025, a trademark application was filed for DUROGUARDRR with the United States Patent and Trademark Office. The USPTO has given the DUROGUARDRR trademark a serial number of 99488951. The federal status of this trademark filing is NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER as of Monday, November 10, 2025. This trademark is owned by Signal Fluid Solutions, Inc.. The DUROGUARDRR trademark is filed in the Lubricant & Fuel Products category with the following description:
Locomotive engine oil; Governor oil; Journal oil; Greases for locomotive parts