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Class Information
Number: 4/489
Name: Baths, closets, sinks, and spittoons > Pool type > Plural separate receptacles
Description: Subject matter wherein there is more than one complete receptacle each having its own area.

Patents under this class:

Patent Number Title Of Patent Date Issued
6640352 Warm/cold double-circulation water filter system and swimming pool arrangement Nov. 4, 2003
6425999 Warm/cold double-circulation water filter system and swimming pool arrangement Jul. 30, 2002
6209148 Floating water massage device Apr. 3, 2001
5922421 Combined vapor barrier and water drain assembly for covers of heated water tubs and pools Jul. 13, 1999
5727264 Swimming pool/spa integrated structure Mar. 17, 1998
5720056 Above-ground swimming pool with spillway Feb. 24, 1998
5415221 Auto switching swimming pool/spa heater system May. 16, 1995
5379467 Deep water exercise and therapy pool Jan. 10, 1995
4935970 Child's pool Jun. 26, 1990
4930168 Swimming pool with convertible hot tub Jun. 5, 1990
4801378 Compact unit for servicing swimming pools Jan. 31, 1989
4510632 Children's game pool Apr. 16, 1985
4371003 Swimming pool/spa selector valve Feb. 1, 1983
4185333 Circulation and level control valve Jan. 29, 1980
4152791 Fluid control arrangements, applicable to spa facilities May. 8, 1979
4149281 Floating spa Apr. 17, 1979
4126905 Floating therapy pool Nov. 28, 1978
4100746 Protected aquatic sports area Jul. 18, 1978
4052757 Hydrotherapy installation Oct. 11, 1977
4001899 Combined swimming and therapy pool Jan. 11, 1977
3988787 Pressure differential valve for swimming pool Nov. 2, 1976
3952338 Therapy basin Apr. 27, 1976

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