20130271963 | ILLUMINATED DRINKING VESSEL - A drinking vessel comprises a waterproof double-walled body member defining an enclosed hollow space therewithin, illumination means and a flexible substrate supporting the illumination means disposed in the enclosed hollow space, a source of electrical energy to the illumination means and a power switch mounted to the double-walled body member and including a mechanical switch pin extendable from and retractable into a bottom portion of the body member. The mechanical switch pin is operable between a first position when the drinking vessel is disposed on a supporting surface, in which the mechanical switch pin is retracted into the bottom portion and the power switch is in an electrically open state, and a second position when the drinking vessel is lifted from the supporting surface, in which the mechanical switch pin is extended from the bottom portion and the power switch is in an electrically closed state. | 10-17-2013 |