Frequency induction locator to find gold and silver

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Description

FIG. 1 is a left side elevational view of a frequency induction locator to find gold or silver showing my design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is a front elevational view;

FIG. 5 is a rear elevational view;

FIG. 6 is a right side elevational view, with the antenna extended; and

FIG. 7 is a top plan view, of another embodiment of my design wherein the detecting rods are straight, all other portions being identical to my new design of FIGS. 1-6.

Referenced Cited
U.S. Patent Documents
D225005 October 1972 Greene
D245233 August 2, 1977 Wolfe
D248627 July 25, 1978 Tyndall
D249777 October 3, 1978 Roettele et al.
D251364 March 20, 1979 Henault et al.
D255336 June 10, 1980 Roettele et al.
D274607 July 10, 1984 Schaefer et al.
D290586 June 30, 1987 Moore
3662255 May 1972 Garrett
3988663 October 26, 1976 Slough et al.
Patent History
Patent number: D306703
Type: Grant
Filed: Jun 18, 1987
Date of Patent: Mar 20, 1990
Inventor: Thomas L. Afilani (South Williamsport, PA)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Attorney: Richard C. Litman
Application Number: 7/63,514