Patent ID: 7941980

Claim:
A window drain adapted to be positioned beneath a sill of a sash window frame comprising: a horizontal portion for latching itself to an upper portion of an external wall so that the horizontal portion can be located between the upper portion of the external wall and a sealing which is adapted to be located between the upper portion of the external wall and the sill of the sash window frame; a sloping portion extending downwardly from the horizontal portion; a vertical portion extending linearly and downwardly from the upper end of the sloping portion and having a screw hole so that the vertical portion can contact a surface of the external wall and be fixed on the surface of the external wall with a screw; and a front portion extending downwardly from the lower end of the sloping portion, wherein the horizontal portion has notches at both ends thereof, and the vertical portion and the horizontal portion form approximately a right angle.