Game ball

Details Game ball Game ball

1981-07-31

1982-12-21

Lieberman, Allan

Amusement devices: games

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

Target

521144, 521149, A63B 3700, A63B 3702

Patent

active

043645658

ABSTRACT:
A game ball is comprised of a single spherical core and a cover. The core is comprised of a single spherical mass of partially blown copolymer of ethylene and at least one unsaturated monocarboxylic acid having from 3 to 8 carbon atoms. The copolymer contains up to 30 percent by weight of the acid copolymerized therein with foam at the center of the core and having a skin with the density substantially equal to the density of the copolymer. The game balls are baseballs and softballs.

REFERENCES:
patent: 3976295 (1976-08-01), Heald, Jr.
patent: 4102829 (1978-07-01), Watanabe et al.
patent: 4144297 (1979-03-01), Tomar
patent: 4149720 (1979-04-01), Heald, Jr.
patent: 4274637 (1981-06-01), Molitor

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