Trademark Overview
On Monday, June 8, 2026, a trademark application was filed for LEADLONG with the United States Patent and Trademark Office. The USPTO has given the LEADLONG trademark a serial number of 99870661. The federal status of this trademark filing is NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER as of Monday, June 8, 2026. This trademark is owned by SITERWELL ELECTRONICS CO., LIMITED. The LEADLONG trademark is filed in the Environmental Control Instrument Products category with the following description:
Thermostatic valves as parts of heating installations; Heating installations; Dampers, namely, control devices used in air ducts to regulate the flow of air; Heat exchangers for chemical processing; Heat exchangers, other than parts of machines; Heating filaments, electric; Radiators; Hot air heating apparatus; Air-conditioning apparatus