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Class Information
Number: 4/403
Name: Baths, closets, sinks, and spittoons > Flush closet > Tank only > With outlet valve > Float type > Hollow
Description: Subject matter wherein the valve body is formed with a cavity therein.

Sub-classes under this class:

Class Number Class Name Patents
4/404 Open at bottom 31

Patents under this class:

Patent Number Title Of Patent Date Issued
8122525 Putting-green, in-pool surface construction Feb. 28, 2012
7992232 Toilet flush control device Aug. 9, 2011
7891028 Water-saving manual toilet flapper valve Feb. 22, 2011
7865979 Flush valve structure for a toilet tank Jan. 11, 2011
7788742 Cistern outlet valve assembly Sep. 7, 2010
7281279 Drain valve Oct. 16, 2007
6615415 Tank valve for a lavatory Sep. 9, 2003
6263520 Water discharging system for toilet Jul. 24, 2001
5784726 Toilet flapper valve control Jul. 28, 1998
5489165 Earth retainer beam module and method Feb. 6, 1996
5182819 Universal commode stopper Feb. 2, 1993
4872473 Dual float valve control for regular and douglas type valve Oct. 10, 1989
4656677 Water-closet valve Apr. 14, 1987
4385406 Water closet valve May. 31, 1983
4275471 Hydraulically operated flush valve for toilet flush tanks and similar devices Jun. 30, 1981
4189795 Toilet flush valve Feb. 26, 1980

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