ALEXANDRIA, Va., June 25 -- United States Patent no. 12,336,664, issued on June 24.
"Cup structure" was invented by Lung-Fei Chuang (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cup structure includes a bottom, a body and a top cover. A bottom edge of the body is detachably sleeved at the bottom. The top cover is covered on a top of the body. The bottom includes a base, a driving assembly, a transmitting assembly and a cover. A top surface of the base is sunk inward and forms an accommodating space. The driving assembly is disposed in the accommodating space. The transmitting assembly is geared into the driving assembly. The cover is disposed on the transmitting assembly, wherein the cov...