Games using tangible projectile – Playing field or court game; game element or accessory... – Practice or training device
Reexamination Certificate
2005-08-02
2005-08-02
Aryanpour, Mitra (Department: 3711)
Games using tangible projectile
Playing field or court game; game element or accessory...
Practice or training device
C473S422000, C473S453000, C473S564000
Reexamination Certificate
active
06923737
ABSTRACT:
A baseball swing training apparatus including that enables a batter to determine whether his swing followed the proper principles for hitting or batting. Oriented for use by both right-handed and left-handed batters it is intended to teach batters how their wrists should react in order to most effectively hit a ball. This generally baseball bat shaped apparatus includes a swing indicator disposed inside the barrel, which impacts one of four impact points producing an audible response when a swing is performed correctly. An incorrect swing produces no audible response.
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patent: 3115129 (1963-12-01), Merriman
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patent: 3214168 (1965-10-01), Sauber
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patent: 5590875 (1997-01-01), Young
patent: 6241629 (2001-06-01), Otto
patent: 6461163 (2002-10-01), Gallagher et al.
patent: 6565462 (2003-05-01), Gregg
Aryanpour Mitra
Suiter - West PC LLO
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