Animal-activated pet feeders; Animal-activated pet feeders that include dispensers for releasing pet toy feeder balls with pet food and pet treats therein; Automated pet appliances, namely, litter boxes; Cages for household pets; Cat litter boxes; Cat litter pans; Drinking troughs; Electric pet brushes; Filters for use in cat litter boxes; Grooming tools for pets, namely, combs and brushes; Pet brushes; Pet feeding and drinking bowls; Pet grooming device comprising a built in brush head and a...