Baseball pitching aid

Description

FIG. 1 is a front elevation view of my new design for a baseball pitching aid;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a right side view thereof, the left side view being a mirror image;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a left front perspective view thereof; and,

FIG. 7 is a right rear perspective view thereof.

Referenced Cited
U.S. Patent Documents
D317033 May 21, 1991 Rains
Other references
  • Cleo Learner's Aids, prior to Feb. 28, 1976, p. 14, middle right, PT-35, Pitching Trainer.
Patent History
Patent number: D333856
Type: Grant
Filed: May 9, 1990
Date of Patent: Mar 9, 1993
Inventor: Robert L. Cantey (Augusta, GA)
Primary Examiner: Melvin B. Feifer
Attorney: Richard C. Litman
Application Number: 7/522,974
Classifications
Current U.S. Class: D21/200; D21/5