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Class Information
Number: 4/682
Name: Baths, closets, sinks, and spittoons > Drain, overflow or trap for a sink or bath > Drain and overflow > With valve
Description: Subject matter wherein the apparatus has within a means to open, close or modify a passage in fluid communication with the drain or overflow of the sink or bath to control the flow of fluid.










Sub-classes under this class:

Class Number Class Name Patents
4/687 Bi-transit for drain of sink or bath 2
4/683 Ell having fluid communication with the drain and overflow openings of a sink or bath 31
4/686 Standpipe overflow 7


Patents under this class:

Patent Number Title Of Patent Date Issued
8544219 Airtight trench drain system Oct. 1, 2013
8201289 Combined control for a basin overflow and a basin drain Jun. 19, 2012
7240854 Eyewash with automatic stagnant water flushing system Jul. 10, 2007
7240852 Drinking fountain 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
5946747 Passageway valve for toilet with two flush modalities Sep. 7, 1999
5925242 Sand trap and flow controller mechanism for a bathtub Jul. 20, 1999
5819335 Washing facility Oct. 13, 1998
5662138 Drop head structure Sep. 2, 1997
5173973 Whirlpool bathtub Dec. 29, 1992
4563780 Automated bathroom Jan. 14, 1986
4194251 Overflow valve Mar. 25, 1980











 
 
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