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Class Information
Number: 4/375
Name: Baths, closets, sinks, and spittoons > Flush closet > Tank only > With outlet siphon > Including means to raise liquid level
Description: Subject matter having means to cause the upper surfaces of the liquid in the tank to be elevated above its normal level to cause initiation of liquid flow through the siphon.

Patents under this class:

Patent Number Title Of Patent Date Issued
6746844 Determining signal transduction pathways Jun. 8, 2004
5109552 Primer tank toilet flushing apparatus May. 5, 1992
4965892 Syphonic flush toilet Oct. 30, 1990
4631760 Automatic flushing system Dec. 30, 1986
4114203 Water closet tank drain valve Sep. 19, 1978
4034423 Valve controlled flushing system Jul. 12, 1977

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