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US 2002/0116753 A1Published application
Waste outlet device
OwnerGeoff John Mitchell, Bertrand Gachotinventors
Life of this patent
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Abstract
A waste outlet device adopted for use with a urinal and comprising one-way valve means is disclosed.
Claims18
A waste outlet device for use in conjunction with a urinal bowl operable without the addition of water, said waste outlet device comprising a one-way valve, wherein said one-way valve is readily removable from within the urinal bowl, and wherein said one-way valve is normally closed but opens upon the introduction of liquid into the urinal bowl so as not to trap liquid in the device.
A urinal operable without the addition of water, the urinal comprising:
- (a) a urinal bowl;
- and
- (b) a waste outlet device comprising a one-way valve, wherein said one-way valve is readily removable from within the urinal bowl, and wherein said one-way valve is normally closed but opens upon the introduction of liquid into said urinal bowl so as not to trap liquid in the urinal.
Dependencies are inferred from the claim text.