Trademark Overview
On Monday, January 26, 2026, a trademark application was filed for MAIN FILTER with the United States Patent and Trademark Office. The USPTO has given the MAIN FILTER trademark a serial number of 99616194. The federal status of this trademark filing is NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER as of Monday, January 26, 2026. This trademark is owned by WONDERCA INC. The MAIN FILTER trademark is filed in the Environmental Control Instrument Products category with the following description:
Air filtering installations; Air filters for domestic use; Air purifiers; Air purifying apparatus; HEPA filters for household use