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Class Information
Number: 4/402
Name: Baths, closets, sinks, and spittoons > Flush closet > Tank only > With outlet valve > Float type > Having liquid receptacle open upwardly
Description: Subject matter wherein the valve has a recess on the top surface to hold liquid to cause the valve to seat.

Patents under this class:

Patent Number Title Of Patent Date Issued
7185374 Discharge valve comprising a flexible ringed tube for toilets Mar. 6, 2007
6925658 Leak proof toilet tank flush valve Aug. 9, 2005
6615415 Tank valve for a lavatory Sep. 9, 2003
6415456 Adjustable universal flapper Jul. 9, 2002
5794279 Water saver attachment for toilets Aug. 18, 1998
5205000 Dual water-level toilet flushing apparatus Apr. 27, 1993
5142710 Controlled toilet flushing system Sep. 1, 1992
5105480 Toilet flush valve apparatus Apr. 21, 1992
4979241 Toilet flush control device Dec. 25, 1990
4872473 Dual float valve control for regular and douglas type valve Oct. 10, 1989
4841580 Buoyant and non-buoyant valve Jun. 27, 1989
4101986 Regulatable flush valve for tank flush toilets Jul. 25, 1978

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