Kreeger sluice
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United States of America Patent
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Mar 7, 2017
Grant Date -
Jul 2, 2015
app pub date -
Dec 23, 2014
filing date -
Dec 27, 2013
priority date (Note) -
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Abstract
A sluice box is described comprising two walls, and a plurality of riffles. Riffles can have a first portion that extends below the bottom panel of a sluice box (or the bottom of a flow), and a second portion that extends above the bottom panel of a sluice box (or the bottom of a flow). By creating a catch in a riffle by having a portion of the riffle extend below a bottom panel of a sluice box, heavier minerals are not washed away as quickly, if at all, as with other sluices.
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