Trademark Overview
On Monday, September 8, 2025, a trademark application was filed for XSEF with the United States Patent and Trademark Office. The USPTO has given the XSEF trademark a serial number of 79434622. The federal status of this trademark filing is NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER as of Thursday, October 9, 2025. This trademark is owned by RENQIU MINGYI MOTOR VEHICLE PARTS CO., LTD. The XSEF trademark is filed in the Vehicles & Locomotive Products category with the following description:
Transmission chains for land vehicles; gearing for land vehicles; driving chains for land vehicles; motorcycles; electric bicycle.