Heaters and warmers for medical and surgical solutions; Heaters for swimming pools; Heaters for vehicles; Heaters for warming up portable toilets in cold weather; Heaters, electric, for feeding bottles; Aquarium heaters; Bathroom heaters; Circulators in the nature of water heaters; Coal stoves; Convection heaters; Drain pans specially adapted for water heaters to protect from condensation, leaks, and overflow; Electric heater for infant food; Electric heaters for babies' bottles; Electric hea...