Tennis ball comprising a hollow sphere of a rubber containing fi

Details Tennis ball comprising a hollow sphere of a rubber containing fi Tennis ball comprising a hollow sphere of a rubber containing fi

1978-09-20

1981-02-10

Marlo, George J.

Amusement devices: games

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

Target

273 58J, 273DIG20, A63B 3902, A63B 4102

Patent

active

042497302

ABSTRACT:
A tennis ball is provided comprising a hollow sphere of natural rubber and/or synthetic rubber similar in resilience properties to natural rubber, said rubber containing a filler, said sphere containing a gas having the same or higher pressure than that of the surrounding atmosphere, said filler comprising chrome-tanned leather particles, all of the dimensions of which being within the range of 0.1-2.50 mm.

REFERENCES:
patent: 1149170 (1915-10-01), Allis
patent: 2295815 (1942-09-01), Webb
patent: 3123047 (1964-03-01), Fisher
patent: 3198173 (1965-08-01), Fisher

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