Trademark Overview
On Thursday, May 15, 2025, a trademark application was filed for VF4000 with the United States Patent and Trademark Office. The USPTO has given the VF4000 trademark a serial number of 99187901. The federal status of this trademark filing is NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER as of Thursday, May 15, 2025. This trademark is owned by Xiamen Zhouyou Sifang Technology Co., Ltd.. The VF4000 trademark is filed in the Environmental Control Instrument Products category with the following description:
Air purifiers; Filters for air purifiers; Filters for drinking water; Filters for air conditioning; Hot tub filters; Filters for swimming pools; Coffee filters not of paper being part of electric coffee makers; HEPA filters for household use; Air filters for HVAC units; Air filters for domestic use