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Class Information
Number: 4/368
Name: Baths, closets, sinks, and spittoons > Flush closet > Tank only > With outlet siphon
Description: Subject matter including a flow passage comprising two branches or legs of unequal length by which a liquid can be transferred to a lower level over an intermediate elevation by the pressure of the atmosphere in forcing the liquid up the shorter branch or leg immersed in it while the excess of weight of the liquid in the longer branch or leg causes a continuous flow.










Sub-classes under this class:

Class Number Class Name Patents
4/372 Including means to immerse siphon 3
4/375 Including means to raise liquid level 6
4/369 Including means to relieve trapped air 6
4/374 Jet starter 7
4/373 Pump starter 5
4/376 Valve starter 4


Patents under this class:

Patent Number Title Of Patent Date Issued
8561220 Keeping sewer drainlines clear with low flush toilets or cisterns Oct. 22, 2013
8266732 Auxiliary siphon device for the toilet Sep. 18, 2012
7272864 Flushing flow distributor for a flushing cistern, flushing system having a flushing flow distributor of this type and toilet system having a flushing flow distributor Sep. 25, 2007
5761748 Siphon for tank type toilet Jun. 9, 1998
5685027 Siphonic flush valve for toilets Nov. 11, 1997
5586342 Rotary siphon flusher Dec. 24, 1996
5421038 Refilling preventing system for a toilet tank Jun. 6, 1995
5301375 Primer tank-checkvalve syphon toilet flushing apparatus Apr. 12, 1994
5113536 Jet activated toilet flushing apparatus May. 19, 1992
5109552 Primer tank toilet flushing apparatus May. 5, 1992
4965892 Syphonic flush toilet Oct. 30, 1990
4858252 Trim assembly Aug. 22, 1989
4649953 Siphon assembly for flushing cisterns Mar. 17, 1987
4106136 Toilet flush flow accelerator Aug. 15, 1978
3973751 Siphon with pressure priming and pneumatic reflux Aug. 10, 1976











 
 
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