Blade for soil mixer

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Description

FIG. 1 is a side elevational view of a blade for soil mixer showing my new design;

FIG. 2 is an end elevational view thereof;

FIG. 3 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
3327634 June 1967 Whiteman, Jr.
3897723 August 1975 Lucy, Jr. et al.
4060225 November 29, 1977 Cunningham
4157872 June 12, 1979 Davido, Sr.
4194925 March 25, 1980 Holbrook et al.
Patent History
Patent number: D287132
Type: Grant
Filed: Feb 15, 1985
Date of Patent: Dec 9, 1986
Inventor: William A. Forbes (Westlock, Alberta T0G 2L0)
Primary Examiner: B. J. Bullock
Assistant Examiner: Suzanne N. Gitlin
Attorney: George H. Dunsmuir
Application Number: 6/703,561