Trimmable range hood filter

Claim 1

A trimmable range hood filter for covering both an inlet opening of a range hood and a light on said range hood adjacent said inlet opening, said range hood filter comprising: (a) a rectangular filter element selectively trimmed to have compatible dimensions with said inlet opening, said filter element having, in clockwise sequence, a first, a second, a third, and a fourth side; (b) a first, a second, a third, and a fourth non-telescoping frame member sequentially arranged to form a rectangle, wherein each said frame member constitutes a different side of said rectangle, said first and said third frame members being of substantially the same length and being parallel to one another, and said second and said fourth frame members being of substantially the same length and being parallel to one another and perpendicular to said first and said third frame members, each said frame member having a longitudinal channel facing inwardly into said rectangle, with said first, second, and third sides of said filter element respectively being inserted into the longitudinal channels of said first, second, and third frame members but not that of said fourth frame member; (c) four attachment means, one at each corner of said rectangle, for fixedly joining adjacent frame members to form said each corner; (d) a selectively trimmed plastic pane capable of passing illumination from said light therethrough, said pane having, in clockwise sequence, a first, a second, a third, and a fourth side, with said first, third, and fourth sides of said pane respectively being inserted into the longitudinal channels of said first, third, and fourth frame members but not that of said second frame member; and (e) means for sealingly joining said fourth side of said filter element to said second side of said pane.