Baseball pitching apparatus

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Description

FIG. 1 is a perspective view of a baseball pitching apparatus showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a left side elevation view thereof, the opposite side being a mirror image;

FIG. 5 is a rear elevation view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D350569 September 13, 1994 Boteler
D354992 January 31, 1995 Hinsperger
2873969 February 1959 Ziel
4210326 July 1, 1980 Booth et al.
4254952 March 10, 1981 Playter, Jr.
4643423 February 17, 1987 Wright
4830369 May 16, 1989 Poitras
5083774 January 28, 1992 Yalvac
5271616 December 21, 1993 Grimaldi
5524901 June 11, 1996 Bison et al.
5531449 July 2, 1996 Denton
Patent History
Patent number: D380797
Type: Grant
Filed: Jul 24, 1995
Date of Patent: Jul 8, 1997
Inventors: Fred W. Schwan (Cary, IL), William C. Francis (McHenry, IL)
Primary Examiner: Prabhakar G. Deshmukh
Assistant Examiner: Cheri Cohen
Attorney: Michael J. Femal
Application Number: 0/41,730
Classifications
Current U.S. Class: D21/199; D21/5
International Classification: 2101;