Balls for sports

Details Balls for sports Balls for sports

1979-12-27

1982-01-19

Epstein, Henry F.

Amusement devices: games

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

Target

273 65EB, 137223, A63B 4100

Patent

active

043113079

ABSTRACT:
There is provided a ball for sports in which an air injection valve attached to a rubber inner tube is covered by outer layers so as not to be exposed. An aperture for insertion of an air injection needle is provided in the outer layers so that it is in alignment with the hole for insertion of an air injection needle of the air injection valve.

REFERENCES:
patent: 1587392 (1926-06-01), MacDonald
patent: 2142414 (1939-01-01), Riddell
patent: 2743510 (1956-05-01), Mauney et al.
patent: 3100641 (1963-08-01), Nicholls et al.
patent: 3132988 (1964-05-01), Fowler
patent: 3533890 (1970-10-01), Nesbit
patent: 4012041 (1977-03-01), Hoffman
patent: 4070434 (1978-01-01), Noda

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