ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,383,817, issued on Aug. 12.
"Sliding puzzle toy" was invented by Weihong Chen (Shantou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sliding puzzle toy is provided, including a main body and sliders slidably connected to the main body. The main body includes two bottom walls and a side wall, wherein at least one of the two bottom walls is provided with a recessed slot and a separable block, one side of the recessed slot is connected to the side wall, an arc transition is provided at a connection between the recessed slot and the side wall, and the separable block is movably or detachably connected to the recessed slot. The outer surface of the...