Patent ID: 8025210

Claim:
An insulated beverage container, comprising: an annular wall having an upper end and a lower end, wherein the upper end defines a rim, the annular wall being elongated along a vertical direction; a base attached to the lower end of the annular wall, the base having an upper surface, the upper surface and the annular wall defining a cup adapted for receiving and containing fluids, the cup having an outer surface and an inner surface; and a plurality of tubes attached to one of the surfaces of the cup, each of the tubes being hollow and defining a continuous unobstructed air passage therein, each of the tubes being elongated along the vertical direction and having upper and lower air flow apertures formed therein, wherein each of the tubes has sealed upper and lower ends and an exterior face, the upper and lower apertures being formed through the exterior face of each tube, respectively, adjacent the sealed upper and lower ends thereof, wherein the sealed upper and lower ends are spaced from the rim and base, respectively.