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Class Information
Number: 4/333
Name: Baths, closets, sinks, and spittoons > Flush closet > Normally empty tank
Description: Subject matter wherein the tank does not have liquid in it until a valve is actuated.

Sub-classes under this class:

Class Number Class Name Patents
4/334 Pressure tank 7
4/338 With seat-actuated valve 3

Patents under this class:

Patent Number Title Of Patent Date Issued
7028347 Digital electronic volume/flow control sensor toilet Apr. 18, 2006
6385787 Tank fill and discharge mechanism May. 14, 2002
5832546 Flush toilet having a reseal water chamber Nov. 10, 1998
5036553 Fully automatic toilet system Aug. 6, 1991
4601071 Flush system Jul. 22, 1986

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