Baths – closets – sinks – and spittoons – Drain – overflow or trap for a sink or bath – Overflow opening attachment
Reexamination Certificate
2006-08-29
2006-08-29
Huynh, Khoa D. (Department: 3751)
Baths, closets, sinks, and spittoons
Drain, overflow or trap for a sink or bath
Overflow opening attachment
C004S668000, C004S651000, C004S661000
Reexamination Certificate
active
07096522
ABSTRACT:
Alarms adaptable to common American bathtub cover plate configurations. Two different embodiments are illustrated. In a first embodiment, the alarm unit is designed to allow use with the three different mounting styles of cover plates used in the United States. The unit housing is preferably formed of plastic or metal with different colors and finishes and includes removable areas to allow use with a single center screw; dual screws or a center pivoting drain lever with dual screws. The various electronics components remain sealed inside the waterproof plastic or metal housing in all instances. In a second embodiment, a waterproof housing attaches to an adapter ring. The adapter ring is configured to cooperate with single center screw and dual screw variations. An alternative adapter ring can be used with European and newer American threaded overflow drains. In the first two embodiments there can be upper and lower sensor(s), preferably a pair of each, to provide initial and critical warnings. The warnings include audible warnings emitted by the alarm unit as well as transmitted signals for detection by remote devices.
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Huynh Khoa D.
Wong Cabello Lutsch Rutherford & Brucculeri LLP
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