Abrasive liner for cat litter boxes; Animal-activated animal waterers; Animal-activated pet feeders; Animal-activated pet feeders that include dispensers for releasing pet toy feeder balls with pet food and pet treats therein; Animal activated animal feeders; Animal activated livestock waterers; Animal litter pans; Automated pet appliances, namely, litter boxes; Automatic litter boxes for pets; Automatic opening and closing trash cans for household purposes; Automatic pet feeders; Automatic p...