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Class Information
Number: 4/370
Name: Baths, closets, sinks, and spittoons > Flush closet > Tank only > With outlet siphon > Including means to relieve trapped air > By releasing trapped air
Description: Subject matter wherein the air escapes into the atmosphere directly and lowers the pressure to cause liquid flow through the siphon.

Patents under this class:

Patent Number Title Of Patent Date Issued
6651266 Flushing method of toilet, toilet used for carrying out said method and components thereof Nov. 25, 2003
5706529 Water closet Jan. 13, 1998
5426794 Vacuum assisted toilet with controlled vacuum Jun. 27, 1995
5353444 Primer activated wet leg-control vented low level syphon flush for toilets Oct. 11, 1994
5243714 Primer activated syphon flusher for toilets Sep. 14, 1993
5230102 Primer activated syphon flusher for toilets Jul. 27, 1993
5228145 Primer activated syphon flusher for toilets Jul. 20, 1993
5170515 Water closet Dec. 15, 1992
4631760 Automatic flushing system Dec. 30, 1986
4312083 Water closet flush valve Jan. 26, 1982
4183108 Flush toilet system Jan. 15, 1980
4142262 Flush toilet system Mar. 6, 1979
4114208 Water closet flush valve Sep. 19, 1978

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