US Patent 11486119 Universal bathtub drain and overflow system and kit

A waste and overflow system for a bathtub includes an overflow assembly, a drain assembly, and a plumbing assembly. The overflow assembly or kit includes an elbow pipe attachable to the plumbing assembly, a seal member positioned between an end of the elbow pipe and the bathtub, and a retainer ring that is threadingly connected to the elbow pipe to sandwich the seal member between a portion of the elbow pipe and the outer surface of the bathtub. The overflow assembly or kit further includes a faceplate operatively connected to the retainer ring. The faceplate can be formed as a screwless faceplate directly connected to the retainer ring in a first operative mode or a screwable faceplate attached by a screw to an adapter that is connected to the retainer ring in a second operative mode.