Replaceable deep tillage point
Williams , et al. April 27, 1
U.S. patent number D335,132 [Application Number 07/670,207] was granted by the patent office on 1993-04-27 for replaceable deep tillage point. This patent grant is currently assigned to Acra-Plant, Inc.. Invention is credited to William A. Bell, Robert A. Williams.
| United States Patent | D335,132 |
| Williams , et al. | April 27, 1993 |
Replaceable deep tillage point
Claims
The ornamental design for a replaceable deep tillage point, as shown and described.
| Inventors: | Williams; Robert A. (Garden City, KS), Bell; William A. (Garden City, KS) |
|---|---|
| Assignee: | Acra-Plant, Inc. (Garden City,
KS) |
| Appl. No.: | 07/670,207 |
| Filed: | March 15, 1991 |
| Current U.S. Class: | D15/29 |
| Field of Search: | ;D15/11,28,29,32 ;37/141R,142R,142A,141T ;171/105,107 ;172/690,699,713 |
References Cited [Referenced By]
U.S. Patent Documents
| D237644 | November 1975 | Williams et al. |
| D239650 | April 1976 | Clark et al. |
| D284010 | May 1986 | Voyce |
| D285205 | August 1986 | Johnson |
| D297940 | October 1988 | Edmisson |
| 4033271 | July 1977 | Williams et al. |
| 4748754 | June 1988 | Schwappach |
| 4932478 | June 1990 | Jones |
| 5027535 | July 1991 | Maguina-Larco |
Other References
|
Wetherell V Model Deep-Till, bottom.. |
Primary Examiner: Ansher; Bernard
Assistant Examiner: Morris; Sandra
Attorney, Agent or Firm: Hovey, Williams, Timmons & Collins
Description
FIG. 1 is a top plan view of a replaceable deep tillage point embodying our design in accordance with the present invention;
FIG. 2 is a left side elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a bottom view of the replaceable deep tillage point shown in FIG. 1 as viewed at right angles to the inclined longitudinal axis of the point;
FIG. 5 is a rear elevational view thereof; and,
FIG. 6 is an enlarged left front perspective view thereof.
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