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 |
183045 | October 1876 | Dunlop |
243132 | January 1977 | Lowrey |
D291907 | September 15, 1987 | George |
368724 | August 1987 | Loucks |
1477460 | December 1923 | Smith |
1562176 | May 1924 | Latina |
1868822 | July 1932 | Goldkind |
2547388 | December 1948 | Griffin |
2695999 | September 1951 | Arnold |
2745119 | May 1956 | Whipple |
2952021 | August 1958 | Finn |
3735442 | May 1973 | Lukas |
4208051 | June 17, 1980 | Robertson |
4516774 | May 14, 1985 | Nankivell |
4617684 | October 21, 1986 | Green |
444407 | May 1927 | DE2 |
148509 | June 1981 | DEX |
598833 | May 1978 | CHX |
- 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