Spacer block for fertilizer tube on blade shank

- Osmundson Mfg. Co.
Description

FIG. 1 is a perspective view of a spacer block for fertilizer tube on blade shank showing our new design;

FIG. 2 is an end view from the top, as seen in FIG. 1;

FIG. 3 is an end view from the bottom, as seen in FIG. 1;

FIG. 4 is a side elevational view thereof with the opposite side being a mirror image thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D273085 March 20, 1984 Wetmore
4201142 May 6, 1980 Stump
4355589 October 26, 1982 Wetmore
4719862 January 19, 1988 Edmisson
Patent History
Patent number: D308974
Type: Grant
Filed: Aug 15, 1988
Date of Patent: Jul 3, 1990
Assignee: Osmundson Mfg. Co. (Perry, IA)
Inventors: Douglas G. Bruce (Perry, IA), William A. Secress (Perry, IA)
Primary Examiner: B. J. Bullock
Assistant Examiner: Sandra Morris
Law Firm: Zarley, McKee, Thomte, Voorhees & Sease
Application Number: 7/232,382
Classifications