Placer mining sluice

Description

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.

Referenced Cited
U.S. Patent Documents
D268588 April 12, 1983 Cubbison et al.
D271697 December 6, 1983 Weir
D273648 May 1, 1984 Legg
4375491 March 1, 1983 Honig
4400269 August 23, 1983 Gordon, Jr.
4592833 June 3, 1986 Perdue
Patent History
Patent number: D302018
Type: Grant
Filed: Sep 17, 1986
Date of Patent: Jul 4, 1989
Inventors: Jack Messenger (Sacramento, CA), Viggo Mathiesen (Sacramento, CA)
Primary Examiner: B. J. Bullock
Application Number: 6/908,529
Classifications
Current U.S. Class: Vibrator Or Separator (D15/147)