Frame for a disk harrow or similar implement
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Description
FIG. 1 is a rear perspective view of a frame for a disk harrow or similar implement, showing our new design;
FIG. 2 is a top view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a front view thereof;
FIG. 6 is a rear view thereof.
The broken lines showing of the disk harrow in FIG. 1 is for illustrative purposes only and forms no part of the claimed design.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
D234619 | March 1975 | Oelschlaeger et al. |
2708333 | May 1955 | Cooney |
2800757 | July 1955 | Tufford |
3454106 | July 1969 | Youngberg et al. |
3730280 | May 1973 | Oelschlaeger |
0192917 | September 1986 | EPX |
- McCormick-Deering Tillage Tools Catalog 1940, p. 4, lower left.
Patent History
Patent number: D306598
Type: Grant
Filed: Jun 23, 1988
Date of Patent: Mar 13, 1990
Assignee: Deere & Company (Moline, IL)
Inventors: James A. Swartzendruber (West Bend, WI), Warren L. Thompson (Ankeny, IA), Donald R. Peck (Clive, IA)
Primary Examiner: B. J. Bullock
Assistant Examiner: Sandra Morris
Application Number: 7/211,529
Type: Grant
Filed: Jun 23, 1988
Date of Patent: Mar 13, 1990
Assignee: Deere & Company (Moline, IL)
Inventors: James A. Swartzendruber (West Bend, WI), Warren L. Thompson (Ankeny, IA), Donald R. Peck (Clive, IA)
Primary Examiner: B. J. Bullock
Assistant Examiner: Sandra Morris
Application Number: 7/211,529
Classifications