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Class Information
Number: 4/424
Name: Baths, closets, sinks, and spittoons > Flush closet > Bowl > Siphon discharge > Extra trap or false trap
Description: Subject matter wherein the bowl discharges to a liquid-seal trap or to a similar unsealed trap.

Patents under this class:

Patent Number Title Of Patent Date Issued
7594282 Western-style toilet facility Sep. 29, 2009
7376985 Moving siphon pipe driving device in a flushing pot May. 27, 2008
6757918 Waste outlet fitting for a sanitary appliance, in particular a urinal Jul. 6, 2004
5983413 High performance flush toilet Nov. 16, 1999
5918325 Flush toilet bowl Jul. 6, 1999
5642533 Water saving toilet Jul. 1, 1997
5487193 Enhanced operation toilet Jan. 30, 1996
5404597 Vacuum assist toilet trap Apr. 11, 1995
5386596 Water saver toilet Feb. 7, 1995
4499617 Water closet modifications Feb. 19, 1985
4407025 Water-conserving toilet Oct. 4, 1983
4197599 Water-saving toilet bowl Apr. 15, 1980
4155129 Pan type bottom discharge toilet May. 22, 1979
4115883 Diaphragm activated toilet Sep. 26, 1978

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