Trademark Overview
On Monday, February 2, 2026, a trademark application was filed for DOUBLE-U with the United States Patent and Trademark Office. The USPTO has given the DOUBLE-U trademark a serial number of 99628315. The federal status of this trademark filing is NEW APPLICATION - RECORD INITIALIZED NOT ASSIGNED TO EXAMINER as of Monday, February 2, 2026. This trademark is owned by DO-IT INDUSTRIAL COMPANY LIMITED. The DOUBLE-U trademark is filed in the Environmental Control Instrument Products category with the following description:
Air purifying apparatus; Air exchangers for cleaning and purifying air; Air purifiers; Air purification apparatus; Electric air purifiers; Filters for air purifiers; Hair driers; Water filters; Water filtering apparatus; Water purification filters