Patent ID: 8418420

Claim:
A window drain system comprising: a sash window frame having a sill; an external wall; a sealing; a screw; and a window drain comprising: a horizontal portion for latching itself to an upper portion of the external wall; 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 from surface of the external wall and be fixed on the from surface or the external wall with a screw; and a front portion extending downwardly from the lower end of the sloping portion, wherein the sloping portion extends downwardly from an upper end of the vertical portion and the horizontal portion linearly extends from the upper end of the vertical portion in the opposite direction of the sloping portion, and the vertical portion and the horizontal portion from approximately a right angle, wherein the sealing is disposed between the sill of the sash window frame and the upper portion of the external wall, and further the horizontal portion is disposed between the sealing and the upper portion of the external wall, and a width of the sloping portion is wider than a width of the sill of the sash window frame, the horizontal portion is disposed on the upper portion of the external wall, and the vertical portion is disposed and fixed on the front surface of the external wall with the screw.