Patent ID: 6249920
Filing Date: 2001-06-26
Classification: E03C

Abstract:
A grid drain for use in sinks without overflow drains comprising a solid cylindrical shell having a diameter to fit a standard bathroom sink and having an upper end and a lower end; the exterior side of the solid cylindrical shell has continuous threads from the lower end to adjacent the upper end; the upper end has an angulated flange arranged to seat in the drain opening in the sink; and the angulated flange has a top solid surface having at least 10 drain holes wherein holes are placed along the perimeter of the flange close to the outer edge of the flange and at least two holes are placed closer to the center of the drain whereby the perimeter holes are not each equidistant from the inside holes; wherein the size of the drain holes is greater than 6 mm to about 10 mm in diameter.