Baths – closets – sinks – and spittoons – Ventilation – Electric-motor pump
Reexamination Certificate
2011-08-02
2011-08-02
Le, Huyen (Department: 3751)
Baths, closets, sinks, and spittoons
Ventilation
Electric-motor pump
Reexamination Certificate
active
07987527
ABSTRACT:
One embodiment of a device for transporting odor-containing air from a region including an interior airspace of a toilet bowl to a drain line that connects a water seal-type drain of the toilet bowl to a septic system comprises: an exhaust tube having an inlet and an outlet, wherein the inlet is in fluid communication with the region, the water seal-type drain having a drain ceiling at least partly below the normal standing water level of the toilet bowl, wherein the outlet is substantially between the surface of the water seal and the portion of the drain ceiling furthest below the normal standing water level of the toilet bowl.Another embodiment of such a device comprises: an air pump assembly having an air intake and an air exhaust, wherein the air intake is in fluid communication with the region, an exhaust tube assembly including an inlet, and a connecting channel, wherein the connecting channel is in fluid communication with the air exhaust and the inlet.
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Flint Patent Service
Le Huyen
Tubbs Jack E.
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