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Class Information
Number: 4/650
Name: Baths, closets, sinks, and spittoons > Wash receptacles > With drain
Description: Subject matter wherein the wash vessel has an opening in the bottom for the water in the vessel to flow out by the action of gravity.










Sub-classes under this class:

Class Number Class Name Patents
4/651 And overflow 23
4/652 And strainer 25
4/653 And water handling 32


Patents under this class:

Patent Number Title Of Patent Date Issued
8677522 Food preparation sink Mar. 25, 2014
8607376 Cover and method for covering the flange of a waste water strainer Dec. 17, 2013
8572773 Wash basin with valve for selective faucet and cascade flows Nov. 5, 2013
8522800 Tile cleanup apparatus Sep. 3, 2013
8424123 Decorative disposer flange and strainer assembly Apr. 23, 2013
7954183 Combination game cleaning station, portable sink and ice chest Jun. 7, 2011
7856680 Shower drainage outlet in aircraft Dec. 28, 2010
7731846 Grease collection system Jun. 8, 2010
7665160 Method and apparatus for restoring one-piece cultured marble countertop sinks Feb. 23, 2010
7533426 Gray water interface valve systems and methods May. 19, 2009
7503083 Means for covering the flange of a waste water strainer Mar. 17, 2009
7331070 Portable sink for the handicapped Feb. 19, 2008
7240852 Drinking fountain with automatic stagnant water flushing system Jul. 10, 2007
7240854 Eyewash with automatic stagnant water flushing system Jul. 10, 2007
7240853 Emergency shower with automatic stagnant water flushing system Jul. 10, 2007
7178739 Automatic stagnant water flushing system Feb. 20, 2007
6957452 Optical coupler for use with light-transmissive above-counter sinks Oct. 25, 2005
6857141 Lavatory wicker basin Feb. 22, 2005
6836910 Combination game cleaning station, portable sink and ice chest Jan. 4, 2005
6763533 Sink drainage system and method Jul. 20, 2004
6756151 Unidirectional draining device Jun. 29, 2004
6662387 Water trap Dec. 16, 2003
6618874 Waste for a washbasin of a washstand with a slot-shaped runout Sep. 16, 2003
6609257 Debridement and irrigation extremity basin Aug. 26, 2003
6609259 Drain assembly and sink Aug. 26, 2003
6601248 Drain connector Aug. 5, 2003
6446279 Stainless steel drainage surface having separated corrugated arrays Sep. 10, 2002
6427259 Outdoor portable sink with plumbing connection Aug. 6, 2002
6061847 Linkage assembly for a pop-up drain stopper May. 16, 2000
6049921 Outlet assembly Apr. 18, 2000
5715547 Laundry basin Feb. 10, 1998
5566404 Sink with wheelchair access Oct. 22, 1996
5561871 Sink with wheelchair access Oct. 8, 1996
5560052 Garbage disposal assembly with decorative sink flange mask Oct. 1, 1996
5458769 Floor drain Oct. 17, 1995
5413705 Filterless drain separator May. 9, 1995
5393299 Extremity attached containment apparatus for lavaged fluids Feb. 28, 1995
5330811 Disposable laminate drain cover Jul. 19, 1994
4777676 Sanitary appliances with an indirect outlet and hidden drainage mechanism Oct. 18, 1988
D281449 Cabinet-top lavatory Nov. 19, 1985
4336620 Self-skimming dish rinser Jun. 29, 1982
4179760 Marble-patterned bathtub, basin or sink Dec. 25, 1979
4162545 Sink for wash-basins, drainbowls and the like Jul. 31, 1979
4158585 Washbasin liner method and article Jun. 19, 1979
4137929 Fingernail cleaner Feb. 6, 1979
4053545 Process for manufacturing laminated structural foam articles Oct. 11, 1977











 
 
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