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Class Information
Number: 4/669
Name: Baths, closets, sinks, and spittoons > Having condition responsive supply outlet, drain, overflow or trap for a sink or bath > Float actuated
Description: Subject matter wherein the condition responsive means of the apparatus uses a buoyant body that rests or remains near the surface of a body of liquid to sense a randomly occurring situation or change in the environment to effect a change in the operation of the sink or bath.

Patents under this class:

Patent Number Title Of Patent Date Issued
8215335 Automatic fluid flow control device Jul. 10, 2012
8065759 McClain's bathtub monitor Nov. 29, 2011
7059342 Liquid shut-off system Jun. 13, 2006
7007319 Overflow device for bathtub Mar. 7, 2006
6952843 Overflow system for bathtub or other receptacle Oct. 11, 2005
6886592 Sewer relief valve with integral disinfectant means May. 3, 2005
6732388 Overflow system May. 11, 2004
6276005 Water recycling device Aug. 21, 2001
5645099 Sewer relief valve Jul. 8, 1997
5209257 Sewer relief valve May. 11, 1993
5121509 Overflow and drain fittings for sanitary devices Jun. 16, 1992
4903724 Liquid level control system Feb. 27, 1990
4682579 Condensate overflow control for furnace Jul. 28, 1987
4574399 Flushing, toilet tank-fed, primer valve for sewer line drain traps Mar. 11, 1986
4170049 Aqualock closet valve Oct. 9, 1979

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