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Class Information
Number: 4/386
Name: Baths, closets, sinks, and spittoons > Flush closet > Tank only > With outlet valve > With delay of valve closing > By shifting weight
Description: Subject matter having a weight movable in response to the level of liquid in the tank, which weight sequentially holds the valve open and then closes the valve in response to the falling liquid level during flush.

Patents under this class:

Patent Number Title Of Patent Date Issued
8650724 Zippers for bags and luggage Feb. 18, 2014
6742194 Dual capacity flush valve assembly for a toilet Jun. 1, 2004
6467101 Toilet flushing and cleaning device Oct. 22, 2002
6401269 Flapper valve with dual action arm Jun. 11, 2002
4979241 Toilet flush control device Dec. 25, 1990
4907302 In-field installable closing delay cup Mar. 13, 1990
4296505 Stepless controlled flush closet Oct. 27, 1981
4080669 Two-level toilet flush system Mar. 28, 1978

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