Plastic air-filled ball

Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target

Patent

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Details

40327, A63B 4100, A63B 4500

Patent

active

050407937

ABSTRACT:
Plastic air-filled balls comprising three identical layer pieces of plastic connected together. In the middle layer, a thru-hold is provided to balance air pressure and on either one of the other layers an air valve and plug are disposed to confine air in said ball.

REFERENCES:
patent: 1531317 (1925-03-01), Stubbs

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