Trademark Overview
On Wednesday, May 20, 2026, a trademark application was filed for HAC-504 with the United States Patent and Trademark Office. The USPTO has given the HAC-504 trademark a serial number of 99834978. The federal status of this trademark filing is NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER as of Wednesday, May 20, 2026. The HAC-504 trademark is filed in the Environmental Control Instrument Products category with the following description:
Household air cleaners; Air humidifying apparatus; Humidifiers; Air washers; Evaporative air cooling units for domestic use; Air purifiers; USB-powered humidifiers for household use; Humidifiers for household use; Water filtration and purification units and replacement cartridges and filters therefor; Air humidifiers; Air filters for heating and cooling registers; Humidifiers, electric; Humidifiers for household purposes; Air conditioning filters; Electric humidifiers
