Earth digging and trenching tool head

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Description

FIG. 1 is a perspective view or a reduced scale of an earth digging and trenching tool head, showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a side view;

FIG. 4 is a rear view;

FIG. 5 is a bottom plan view; and

FIG. 6 is a front view.

The broken line representing the implement handle is shown for illustrative purposes only.

Referenced Cited
U.S. Patent Documents
D214636 July 1969 Zahler
3226149 December 1965 McJohnson
3782770 January 1974 Lee
3784245 January 1974 Koller
3848915 November 1974 Wherry
3915240 October 1975 Pittman
Patent History
Patent number: D256322
Type: Grant
Filed: Mar 2, 1978
Date of Patent: Aug 12, 1980
Inventor: Ron Zabarte (Walnut Creek, CA)
Primary Examiner: Bernard Ansher
Attorney: Harris Zimmerman
Application Number: 5/883,038
Classifications
Current U.S. Class: D 8/10; D 8/76
International Classification: D0801;