COLLECTION TANK FOR SUMP PUMP UNDER BUILDING FLOOR
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United States of America Patent
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Issued Date -
Feb 25, 2021
app pub date -
Aug 20, 2020
filing date -
Aug 22, 2019
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Abstract
A collection tank for mounting in a bed of gravel particles under a floor of a building for collecting ground water from an area under the floor has a tank body including a lower tank portion and an upper tank portion. The lower tank portion defines a container for collected water with an open top. The upper tank portion has an outer wall upstanding from the open top of the lower tank portion, in which the outer wall is perforated with holes for passage of ground water into the tank body. Each of the holes extends radially through the outer wall of the upper tank portion at an upward slope so as to minimize entry of surrounding gravel particles into the tank body through the holes.
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