US Patent 6857928 Non-spill container

A container has a cup-like lower body that receives liquid therein, the lower body having a bottom wall and an open upper mouth. The container also has an inverted cup-like upper body having a top wall and an open lower mouth, and an opening provided in the top wall. The upper body is removably connected to the lower body with the open mouths thereof in communication with each other to form an interior chamber. The container also includes a lid pivotably coupled to the top wall and covering the opening, and a stopper inserted through the opening.