Patent
   D268842
Priority
Jun 23 1980
Filed
Jun 23 1980
Issued
May 03 1983
Expiry
May 03 1997
Assg.orig
Entity
unknown
5
4
n/a
The ornamental design for an ore concentrating tray, as shown.

FIG. 1 is an enlarged isometric view of an ore concentrating tray showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a side elevational view of the side opposite that shown in FIG. 2;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is an end elevational view thereof;

FIG. 7 is an end elevational view of the end opposite that shown in FIG. 6.

Gordon, Jr., Charles O.

Patent Priority Assignee Title
11338301, Feb 02 2021 Pan for separating granular material
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D732095, Mar 21 2012 Particle classifier
D743461, Aug 04 2014 Particle size classification device for field use
Patent Priority Assignee Title
1966359,
4162969, Jul 08 1977 Roy, Lagal Apparatus for separating material by specific gravity
618006,
840333,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 23 1980Joseph W., Montigny(assignment on the face of the patent)
May 05 1982WHITE, RUSSELL W MONTIGNY, JOSEPH W EL MONTE,ASSIGNMENT OF ASSIGNORS INTEREST 0040220157 pdf
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