Patent ID: 6945664

Claim:
A signal device for use with a beverage container, the beverage container having a bottom and a top, the device comprising: a) a housing; b) at least one light emitter affixed to the housing; c) an electric battery; d) a gravity actuated switch; e) control means for connecting the battery to the at least one light emitter through the switch such that the at least one light emitter is intermittently activated when the housing is in a first orientation, and inactivated in a second orientation; and f) attaching means for attaching the housing to the bottom of the container so that the housing is in the second orientation when the container is upright, and the housing is in the first orientation with the at least one light emitter intermittently flashing light when the container is inverted to thereby signal for attention; g) stabilizing means attachable to the container for maintaining the container in the inverted position; and in which the stabilizing means comprises a wide fixture attachable to the top of the container.