ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,396,548, issued on Aug. 26, was assigned to Ningbo Shijia Cleaning Tools Co. Ltd. (Ningbo, China).
"Brush head mounting structure of liquid spraying brush" was invented by Siwen Wang (Zhejiang, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A brush head mounting structure of a liquid spraying brush, includes a connecting base provided at the end of a handle and a mounting base provided on a brush head; the other side of the connecting base with respect to the handle is provided with a slider, one side of the mounting base adjacent to the connecting base is provided with a sliding groove in sliding fit with the slider, a limiting structure is provi...