ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,780,506, issued on Nov. 3, was assigned to Elston Investment Corp.
"Foldable cup lid" was invented by Yang Liu (Dover, Del.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A foldable cup lid includes a lid body; a threaded groove formed on the lid body; a placement region formed on the lid body; a connecting tube fixedly attached to the lid body and in communication with the placement region; a suction tube hingedly connected to an inner wall of the placement region and corresponding to the connecting tube; a first hinge plate hingedly connected to the suction tube. The first hinge plate is located within the placement region when the suction tube is clos...