Patent
   D302018
Priority
Sep 17 1986
Filed
Sep 17 1986
Issued
Jul 04 1989
Expiry
Jul 04 2003
Assg.orig
Entity
unknown
13
6
n/a
The ornamental design for a placer mining sluice, as shown.

FIG. 1 is a perspective view of a placer mining sluice showing my new design;

FIG. 2 is a left end elevational view thereof;

FIG. 3 is a right end elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof.

Messenger, Jack, Mathiesen, Viggo

Patent Priority Assignee Title
7438188, Jan 20 2006 Device for use in placer mining operations and method
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D761893, Jan 26 2015 ZHEJIANG DINGLI MACHINERY CO , LTD Sluice mat
D768745, Apr 22 2015 Sluice
D809036, Mar 02 2017 Sluice mat
D818510, Aug 19 2015 PROSPECTING CHANNEL, INC Sluice
Patent Priority Assignee Title
4375491, Aug 31 1981 Roll-up fold-up sluice apparatus
4400269, May 21 1981 MONTIGNY, JOSEPH W , EL MONTE, LOS ANGELES, Gold pan
4592833, Jan 16 1984 Portable sluice box
D268588, Mar 10 1981 Portable ore separating bowl
D271697, Nov 23 1981 COLZANI, ROBERT, J Tray for a mechanical precious metal recovery device
D273648, Aug 18 1980 MARINA B , S A , A CORP OF SWITZERLAND Front panel face for a windowed exhibit case
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