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Class Information
Number: 4/385
Name: Baths, closets, sinks, and spittoons > Flush closet > Tank only > With outlet valve > With delay of valve closing > By varying weight releasable latch
Description: Subject matter wherein the valve is held open by a locking element upon flushing. The locking element is controlled by an element, the weight of which varies in accordance with tank liquid level and which disables the locking element at a predetermined liquid level.

Patents under this class:

Patent Number Title Of Patent Date Issued
8650724 Zippers for bags and luggage Feb. 18, 2014
5179739 Water conserving toilet assembly Jan. 19, 1993
4945578 Toilet flush control device Aug. 7, 1990
4624018 Toilet flushing apparatus Nov. 25, 1986

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