Combination grain grader

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Description

FIG. 1 is a left side perspective view of a combination grain grader showing our new design;

FIG. 2 is a rear, right side perspective view thereof;

FIG. 3 is a front perspective view thereof;

FIG. 4 is a rear perspective view thereof;

FIG. 5 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
3019945 February 1962 Pattillo
3366281 January 1968 Wilder
3587933 June 1971 Regnier
4138163 February 6, 1979 Calvert et al.
4359952 November 23, 1982 Gesior et al.
Patent History
Patent number: D283226
Type: Grant
Filed: Feb 9, 1983
Date of Patent: Apr 1, 1986
Assignee: Alf Hannaford & Co. Pty. Ltd. (Beverley)
Inventors: Hubert L. Hornhardt (Adelaide), Geoffrey G. Nuske (Adelaide)
Primary Examiner: B. J. Bullock
Assistant Examiner: Suzanne N. Gitlin
Law Firm: Oldham, Oldham & Weber Co.
Application Number: 6/465,171