Patent attributes
A self-cleaning litter box configured to sift excrement from cat litter. The self-cleaning litter box includes a drum designed to rotate about an axis, having a hollow center with an interior volume designed to hold cat litter, with a pair of annular sides opposite one another coupled by a circumferential sidewall. An aperture disposed in the circumferential sidewall designed to provide access to the interior volume. A filter screen disposed within the interior volume and extending across the drum is designed to sift excrement from cat litter. The drum is disposed within a base such that each annular side is flush against the base. A waste container is positioned within the base. The waste container includes an opening in communication with the drum such that the aperture of the drum is configured to fit flush against the opening of the waste container when the drum is rotated for sifting excrement.
