(under subclass 488) Subject Matter wherein the lower part of the pool is movable to different positions and supports a person when moved to the different positions.
(1) Note. The bottom can be either an actual part of the pool or a false or movable section which move relative to a fixed bottom.
SEE OR SEARCH THIS CLASS, SUBCLASS:
498, for a cover for a pool.
504, for a safety device which can lift a person from the bottom of a pool.
