Baseball training article
Description
FIG. 1 is a front elevational view of a baseball training article showing my new design;
FIG. 2 is a side elevational view thereof; the side opposite being substantially a mirror image;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a bottom plan view thereof; and
FIG. 5 is a top plan view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
| D171589 | March 1954 | Gilman |
| D171590 | March 1954 | Gilman |
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| 2547388 | December 1948 | Griffin |
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- Handbook of Designs and Devices C. P. Hornung .COPYRGT.1959, p. 46, "Triangular Variant" #411 right col. ctr. photo.
Patent History
Patent number: D314599
Type: Grant
Filed: Oct 13, 1987
Date of Patent: Feb 12, 1991
Inventor: Peter C. Birmingham (Syracuse, NY)
Primary Examiner: Bernard Ansher
Assistant Examiner: Alicia A. Farrell
Law Firm: Wall and Roehrig
Application Number: 7/107,531
Type: Grant
Filed: Oct 13, 1987
Date of Patent: Feb 12, 1991
Inventor: Peter C. Birmingham (Syracuse, NY)
Primary Examiner: Bernard Ansher
Assistant Examiner: Alicia A. Farrell
Law Firm: Wall and Roehrig
Application Number: 7/107,531
Classifications
Current U.S. Class:
D21/213