Practice baseball

Details Practice baseball Practice baseball

1976-11-01

1978-12-05

Marlo, George J.

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

273 60B, 273 58K, 273DIG20, A63B 3714, A63B 4304

Patent

active

041282388

ABSTRACT:
A baseball made to meet playing rule requirements as to size and weight but having a small segment removed therefrom so that the ball when thrown by a pitcher without any twist being imparted to the ball will curve in the same manner and degree as a conventional baseball when thrown by a competent curve ball pitcher.

REFERENCES:
patent: 2694574 (1954-11-01), Baker
patent: 3009452 (1961-11-01), Barber et al.
patent: 3099450 (1963-07-01), Randall
patent: 3152803 (1964-10-01), Sain
patent: 3865378 (1975-02-01), McPhail et al.

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