Drain cartridge having removable valved system

Details Drain cartridge having removable valved system Drain cartridge having removable valved system

2011-03-08

2011-03-08

Le, Huyen (Department: 3751)

Baths, closets, sinks, and spittoons

Strainer, stopper, plug or closure

Combined strainer, plug, or valve

C004S301000

Reexamination Certificate

active

07900288

ABSTRACT:
Various embodiments of a cartridge for regulating a fluid flow are described that include an upper housing, and an insert that is user-removable from the upper housing. The cartridge can include one or more valves that are biased in a closed position to prevent odors from escaping the cartridge. The cartridge can also include a fluid trap that is at least partially disposed within the cartridge or fluidly coupled thereto. An ultraviolet light can be inserted within the cartridge to disinfect a fluid passageway of the cartridge.

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patent: 0470518 (1994-05-01), None
patent: 2009/040524 (2009-04-01), None

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