Gold pan with classifier

Details Gold pan with classifier Gold pan with classifier

1991-11-12

1993-03-02

Skaggs, H. Grant

Classifying, separating, and assorting solids

Plural, diverse separating operations

Sifting and stratifying

209417, 209397, 209447, 209506, 294 55, B03B 500, B07B 100

Patent

active

051901587

ABSTRACT:
The present invention is a gold pan with classifier which, when used in combination or independently thereof, provides a prospector with an apparatus that enhances metal recovery. The gold pan utilizes an elongated elliptical shape with inclined side walls of various heights with ribs and steps placed along at least a portion of each wall. The elliptical shape allowing a prospector to use the pan as a scoop or a catch basin. The classifier also employs an elongated elliptical or rectilinear shaped base which is operatively associated with the gold pan. In the middle of the classifier is a circular grid being concave and made of a cross hatched type screen wherein all parallel ridges are raised. The classifier sits on top of the gold pan in an interlocking fashion and can be used to shovel slurry into the classifier having a narrow undercut space to prevent slurry from entering the gold pan area directly but allowing water removal by titling the combination in any direction.

REFERENCES:
patent: 357970 (1887-02-01), Toysley
patent: 585989 (1897-07-01), Sletcher
patent: 1966359 (1934-07-01), Ryan
patent: 3106419 (1963-10-01), Estwing
patent: 4162969 (1979-07-01), Lagal
patent: 4289241 (1981-09-01), Litrap
patent: 4400269 (1983-08-01), Gordon
patent: 4671868 (1987-06-01), Ottrok

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