Patent ID: 6823540
Filing Date: 2004-11-30
Classification: E03C

Abstract:
A device for blocking or impeding the flow of water through the overflow drain of a bathtub of the type including a wall, an overflow drain opening in the wall, and a generally circular cover plate over the overflow drain opening, the cover plate having an annular skirt with at least one overflow opening in the annular skirt at the bottom of the cover plate, said device comprising:a stopper including an arcuate surface configured so as to cover the overflow opening and a locating boss projecting from said arcuate surface and sized so as to fit within the overflow opening, said stopper being made of a material and configured so as to be held in place, when water level in the bathtub is above the overflow opening, by water pressure or buoyancy only; whereby said stopper, once held in place, falls away from the overflow opening when water level in the bathtub subsequently drops below the cover plate.