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Class Information
Number: 4/350
Name: Baths, closets, sinks, and spittoons > Flush closet > Ventilated, i.e., noxious fume removal > Bowl > Unitary with discharge from bowl
Description: Subject matter wherein the gas removing means is connected to the discharge from the bowl.

Sub-classes under this class:

Class Number Class Name Patents
4/351 Trap or siphon 8

Patents under this class:

Patent Number Title Of Patent Date Issued
8196232 Exhaust unit for a toilet bowl Jun. 12, 2012
6928666 Toilet with self-contained ventilation system Aug. 16, 2005
5539938 Water closet Jul. 30, 1996

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