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Class Information
Number: 4/351
Name: Baths, closets, sinks, and spittoons > Flush closet > Ventilated, i.e., noxious fume removal > Bowl > Unitary with discharge from bowl > Trap or siphon
Description: Subject matter wherein the gas removing means is directly connected to a trap or siphon.

Patents under this class:

Patent Number Title Of Patent Date Issued
8151377 Odorless and overflow-less toilet system Apr. 10, 2012
7103925 Odor eliminating system for a toilet, toilet including the odor eliminating system, and toilet seat assembly Sep. 12, 2006
6073275 Multifunction toilet Jun. 13, 2000
5813060 Multifunction toilet Sep. 29, 1998
4880027 Method of and apparatus for regulating the flow of at least one gas stream Nov. 14, 1989
4800596 Ventilated toilet Jan. 31, 1989
4318192 Ventilated toilet Mar. 9, 1982
4133060 Odorless toilet Jan. 9, 1979

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