Patent ID: 7490376

Claim:
A combined lavatory, counter top, and drain tube assembly, comprising: a counter top having a through bore; a lavatory having a basin and a lower drain outlet, wherein said outlet has an internal axially extending threaded bore that extends from the basin; and a one-piece drain structure extending into the through bore and having a drain tube adjacent one axial end, an attachment sleeve adjacent an opposed axial end which is radially outwardly threaded and a radially extending flange there between, wherein the radially extending flange extends radially outward farther than the attachment sleeve does; and wherein the drain structure is threaded to the lavatory drain outlet and has an axial path extending through the attachment sleeve, flange and drain tube so as to be able to carry liquid from the basin of the lavatory out the drain tube if liquid is passed through the lavatory drain outlet; and wherein the radially extending flange forms a base for the lavatory with the base being positioned above the counter top and the lavatory drain outlet being positioned on the base.