Earth piercing tool for sign installation

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Description

FIG. 1 is a perspective view of the earth piercing tool for sign installation, showing my new design.

FIG. 2 is a top plan view wherein the bottom plan view is a mirror image thereof;

FIG. 3 is a right side view wherein the left side view is a mirror image thereof;

FIG. 4 is a front view thereof;and

FIG. 5 is a rear view thereof.

Referenced Cited
U.S. Patent Documents
D239820 May 1976 Retrum
3143817 August 1964 Paulson
3367426 February 1968 Laverty
4127972 December 5, 1978 Reimoser
Patent History
Patent number: D257212
Type: Grant
Filed: Sep 18, 1978
Date of Patent: Oct 7, 1980
Inventor: Gary D. Parker (Omaha, NE)
Primary Examiner: Sam Rosen
Attorney: William D. West
Application Number: 5/944,032
Classifications
Current U.S. Class: D 8/14; D 8/1
International Classification: D0801;