Earth grader
FIG. 1 is a perspective view of an earth grader of my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a rear elevational view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is an enlarged perspective view of a tooth of the earth grader of FIG. 1, shown separately for ease of illustration;
FIG. 9 is a front plan view of the tooth of FIG. 8;
FIG. 10 is a rear plan view of the tooth of FIG. 8;
FIG. 11 is a side elevational view of the tooth of FIG. 8, the opposite side being a mirror image thereof;
FIG. 12 is a top plan view thereof;
FIG. 13 is a bottom plan view thereof;
FIG. 14 is a perspective view showing a second embodiment of the earth grader, as shown in FIG. 1;
FIG. 15 is a top plan view of the earth grader of FIG. 14;
FIG. 16 is a front elevational view of the earth grader of FIG. 14;
FIG. 17 is a left side elevational view of the earth grader of FIG. 14;
FIG. 18 is a right side elevational view of the earth grader of FIG. 14;
FIG. 19 is a rear elevational view of the earth grader of FIG. 14; and,
FIG. 20 is a bottom plan view of the earth grader of FIG. 14.
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- E-Z Implements Inc. brochure, May, 1991.
Type: Grant
Filed: Nov 9, 1993
Date of Patent: May 16, 1995
Inventor: Charles E. Devaney (Jordan, MN)
Primary Examiner: Theodore M. Shooman
Assistant Examiner: Sandra Morris
Law Firm: Burd, Bartz & Gutenkauf
Application Number: 0/15,181