Patent
   D271697
Priority
Nov 23 1981
Filed
Nov 23 1981
Issued
Dec 06 1983
Expiry
Dec 06 1997
Assg.orig
Entity
unknown
3
4
n/a
The ornamental design for a tray for a mechanical precious metal recovery device, substantially as shown.

FIG. 1 is a perspective view of a tray for a mechanical precious metal recovery device showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is an end elevational view taken from the left of FIG. 1;

FIG. 4 is an end elevational view taken from the right of FIG. 1;

FIG. 5 is a side elevational view taken from the rear of FIG. 1;

FIG. 6 is a side elevational view taken from the front of FIG. 1;

FIG. 7 is a bottom plan view thereof.

Weir, James L.

Patent Priority Assignee Title
D302018, Sep 17 1986 Placer mining sluice
D732095, Mar 21 2012 Particle classifier
D743461, Aug 04 2014 Particle size classification device for field use
Patent Priority Assignee Title
185116,
4273648, Mar 10 1980 Quick miner's pan
4319985, Dec 22 1980 His Way Gold concentrator
644994,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 23 1981Au Equipment Associates, Ltd.(assignment on the face of the patent)
Aug 24 1982WEIR, JAMES L AU EQUIPMENT ASSOCIATES, LTD A CA LIMITED PARTNERSHIPASSIGNMENT OF ASSIGNORS INTEREST 0040290890 pdf
Dec 31 1986AU EQUIPMENT ASSOCIATES, LTD ,COLZANI, ROBERT, J ASSIGNMENT OF ASSIGNORS INTEREST 0048340814 pdf
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