Baseball pitching practice device
Poitras October 2, 1
U.S. patent number D311,031 [Application Number 07/103,801] was granted by the patent office on 1990-10-02 for baseball pitching practice device. Invention is credited to Leandre Poitras.
| United States Patent | D311,031 |
| Poitras | October 2, 1990 |
Baseball pitching practice device
Claims
The ornamental design for a baseball pitching practice device, as shown and described.
| Inventors: | Poitras; Leandre (Beauport, Quebec, CA) |
|---|---|
| Appl. No.: | 07/103,801 |
| Filed: | October 2, 1987 |
| Current U.S. Class: | D21/780; D21/698 |
| Field of Search: | ;D21/5,3,212 ;273/26A,412,344,346 |
References Cited [Referenced By]
U.S. Patent Documents
| 3001795 | September 1961 | Johnson |
| 4188031 | February 1980 | Fox |
| 4415154 | November 1983 | Engelhardt |
| 4473227 | September 1984 | Klaus |
Assistant Examiner: Seifert; R. T.
Description
FIG. 1 is a front elevational view of a baseball pitching practice device showing my new design;
FIG. 2 is a right side elevational view, the opposite side being a mirror image;
FIG. 3 is a top plan view, the bottom view being a mirror image;
FIG. 4 is a rear elevational view; and
FIG. 5 is a front perspective view.
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