Baseball training device

Games using tangible projectile – Playing field or court game; game element or accessory... – Practice or training device

Reexamination Certificate

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Details

C473S415000

Reexamination Certificate

active

06878077

ABSTRACT:
A training device for batters which provides a visual and sensual indication to the batter that her or she is experiencing one of several swing defects, comprising a series of flexible standards about the perimeter of a proper swing plane leading the batter to make contact with a ball at an imaginary plate.

REFERENCES:
patent: 533102 (1895-01-01), Thomson
patent: 1412126 (1922-04-01), Mansell-Phayre
patent: 2094810 (1937-10-01), Oppenheimer
patent: 4886267 (1989-12-01), Licciardi et al.
patent: 5087039 (1992-02-01), Laseke
patent: 5595384 (1997-01-01), Hardison, Jr.

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