Overflow preventor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 10, 2002
Grant Date -
Sep 12, 2002
app pub date -
Dec 26, 2000
filing date -
Jan 4, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An overflow preventer comprising a plug receivable in a drain hole and provided with a valve movable between a first closed position and a second open position, the valve being resiliently biased to the first position while the pressure on the valve is less than a predetermined value.
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