U.S. federal trademark · Serial No. 85518493
Thread delivery system for a serger and comprised of a thread delivery unit with plates that shift to deliver the precise amount of thread to the loopers to form proper stitches without the need for manual tension adjustments. The system includes a stitch selection lever and adjusting cables for the looper and needle threads
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.