(under subclass 51) Subject matter wherein significance is attributed to conditioning or developing a muscle employed as the user directly propels his/her body through water, i.e., by swimming, or operates a mechanism which imitates swimming.
SEE OR SEARCH THIS CLASS, SUBCLASS:
26, for a projector, e.g., a diving board, etc., which may be employed to thrust the user into the air for an acrobatic purpose.
111, for user manipulated force resisting apparatus using fluid resistance to oppose the user.
SEE OR SEARCH CLASS
441, Buoys, Rafts, and Aquatic Devices, particularly
55+, for a swimming aid to increase stroke efficiency.
