Baths – closets – sinks – and spittoons – Flush closet – Bowl
Reexamination Certificate
2003-09-03
2010-02-16
Huynh, Khoa D (Department: 3751)
Baths, closets, sinks, and spittoons
Flush closet
Bowl
C004S421000, C004S425000, C004S428000
Reexamination Certificate
active
07661153
ABSTRACT:
A flush toilet that uses a prescribed amount of cleansing water stored in a cleansing water tank to cleanse the toilet and discharge waste is disclosed. The flush toilet includes a bowl having a waste receiving surface, an overhanging rim and a shelf, a drainage channel whose inlet is connected to the bottom of the bowl for discharging waste, a first water spouting section for spouting cleansing water onto the shelf of the bowl to form a vortex; a second water spouting section for spouting cleansing water onto shelf of the bowl in the same direction as the swirling direction of the vortex, a first water channel for supplying cleansing water from the cleansing water tank to the first water spouting section, and a second water channel for supplying cleansing water from the cleansing water tank to the second water spouting section.
REFERENCES:
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patent: 2007/0061955 (2007-03-01), Asada et al.
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patent: 2002-097704 (2002-05-01), None
patent: 05-61272 (2007-08-01), None
Asada Kyoji
Ichiki Tomoyasu
Kawakami Katsuhiro
Nakamura Ken'ichi
Ozeki Tsuyoshi
Brooks & Kushman P.C.
Huynh Khoa D
Toto Ltd.
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