Patent ID: 7594294

Claim:
A cleaning implement for cleaning a window, comprising: a support head mounting a squeegee blade and a substrate structure; wherein the substrate structure is impregnated with a window cleaner and suitable to deliver window cleaner to the window as well as to collect used window cleaner driven by the squeegee blade off the window; wherein the squeegee blade and a portion of the substrate structure are capable of simultaneously touching the window as it is cleaned; wherein the substrate structure has a portion suitable to face the window being cleaned, where that portion has an inset area sufficiently adjacent to the squeegee blade to facilitate collecting pooled window cleaner in the inset area that has been driven off the window before it is re-absorbed into the substrate, and an outwardly extending area more remote from the squeegee blade suitable to contact the window being cleaned, wherein the inset area helps define an open gap that is in part also defined by the squeegee blade; and wherein the substrate structure is in the form of a filter is made of a fibrous porous absorbent material that filters at least a portion of collected used window cleaner when the cleaning implement is used, and then delivers that filtered window cleaner back to a window being cleaned.