ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,446,556, issued on Oct. 21, was assigned to Siying GONG (Beijing).
"Parrot cage" was invented by Siying Gong (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A parrot cage, including a cage body enclosing an accommodation cavity for allowing a parrot to move inside the accommodation cavity, and a training unit including a separator plate, a first grab rod and a conduction portion provided at each of two opposite ends of the first grab rod; the separator plate is provided with a player; the conduction portion includes an upright rod, a sliding sleeve and a support rod; a first end of the upright rod is fixed to a bottom of the accommodation cavity...