Surface Acoustic Wave Devices for Mobile and Wireless Communications: Academic Press

Animal toilet comprises holding tank for waste material. Tank has bottom wall and side wall that extends upwardly to peripheral edge portion. Platform rests upon peripheral edge portion and covers holding tank. Platform has at least one opening therein that communicates with interior of holding tank. Partial enclosure for platform is secured to platform and holding tank and includes roof portion spaced from and directly above platform and partial side wall portion extending between platform and roof portion.