Patent ID: 7131787

Claim:
A drain inlet cover suitable for installation over a drain in a road which is bordered by a sidewalk and separated from the sidewalk by a vertical curb, with access to the drain through an opening in the curb, the drain inlet cover comprising 1) a horizontal laminar section which has front, rear and side edges, and 2) a vertical laminar section which has a lower edge secured to the rear edge of the horizontal section; the horizontal section comprising (a) an upper laminar member which has a plurality of relatively large apertures therethrough, (b) a lower laminar member which has a plurality of relatively large apertures therethrough, and (c) a horizontal laminar filter member which (i) is sandwiched between the upper and lower members, and (ii) has a plurality of relatively small filter apertures therethrough; and the vertical section comprising (a) a front member which has a plurality of relatively large apertures therethrough, (b) a rear member which has a plurality of relatively large apertures therethrough, and (c) a vertical filter member which (i) lies between the front and rear members, and (ii) has a plurality of relatively small filter apertures therethrough.