Air cover window sill

FIG. 1 is an isometric view of a first embodiment;

FIG. 2 is a front elevational view of the embodiment shown in FIG. 1;

FIG. 3 is a top plan view of the embodiment shown in FIG. 1, thereof;

FIG. 4 is a rear elevational view of the embodiment shown in FIG. 1, thereof;

FIG. 5 is a bottom plan view of the embodiment shown in FIG. 1, thereof;

FIG. 6 is a left side elevational view of the embodiment shown in FIG. 1, thereof;

FIG. 7 is a right side elevational view of the embodiment shown in FIG. 1, thereof;

FIG. 8 is an isometric view of a second embodiment;

FIG. 9 is a front elevational view of the embodiment shown in FIG. 8;

FIG. 10 is a top plan view of the embodiment shown in FIG. 8, thereof;

FIG. 11 is a rear elevational view of the embodiment shown in FIG. 8, thereof;

FIG. 12 is a bottom plan view of the embodiment shown in FIG. 8, thereof;

FIG. 13 is a left side elevational view of the embodiment shown in FIG. 8, thereof;

FIG. 14 is a right side elevational view of the embodiment shown in FIG. 8, thereof; and,

FIG. 15 is a perspective view of the embodiment shown in FIG. 1 and the embodiment shown in FIG. 8 as they are used with a window on a window sill.

The broken lines showing of a window and a portion of a window sill in FIG. 15 is for illustration purpose only and forms no part of the claimed design.