Patent attributes
A container assembly has a cup-shaped container, a lid body, a spout, a spout cover, and a spout cover securement, or lock. The lid body has a depending periphery that releasably mounts to the cup-shaped container. The lid body has a matrix extending within the periphery. The spout seat is located eccentrically and inwardly of the periphery. It has a root and a tip. The spout cover is movably mounted to the spout cover seat. When closed, the spout cover seals the spout. The lock moves between a first position and a second positon. In the first position the lock keeps the spout cover sealed to the tip. In the second position the spout cover securement permits motion of said spout cover to open. The lid is stackable on other lids. The container assembly cup comes in several forms, the different forms being mutually stacking.