Patent ID: 7222759

Claim:
A beverage container for retaining a volume of beverage, the beverage container comprising: a wall defining a cavity in which the beverage is contained; a rim defined along an upper edge of the wall the rim defining a mouth; a lid at least partially extending over the mouth; valve structure on the lid defining a valve port extending through the lid for communicating with the cavity of the container; a valve grommet positionable in the valve port, the grommet defining an aperture communicating with the valve port for facilitating flow of the beverage through the aperture and valve port into the cavity; and a tongue extending from the grommet downwardly from a top surface of the lid towards a bottom of the container and at least partially extending into the valve port and movable relative to the valve port for facilitating flow of the beverage into the cavity and resisting reverse passage of the beverage therethrough.