(under subclass 161) Subject matter having an operating mechanism actuated in response to the animal approaching, using, or leaving the waste product collecting receiver or associated structure.
SEE OR SEARCH THIS CLASS, SUBCLASS:
159, for a washing or spraying device, respectively, used for antivermin treatment which may additionally be actuated by the presence of an animal.
SEE OR SEARCH CLASS
4, Baths, Closets, Sinks, and Spittoons, particularly
302+, and 313 for means to cause a toilet flushing device to operate automatically when a condition occurs.
