Air city game

Railways – Droppings catcher

Patent

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Details

104155, 406108, A63H 2916

Patent

active

042506573

ABSTRACT:
A game comprising an air tube transportation system energized by a unique air pump system. The air pump system includes an air pump manifolded into a plurality of tubes wherein each of the tubes is selectively connected to the air pump through individual valves which control the direction and force of the air flowing through the tubes.

REFERENCES:
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patent: 975230 (1910-11-01), Hagen
patent: 2003257 (1935-05-01), Fageol et al.
patent: 2890537 (1959-06-01), Benko
patent: 3469340 (1969-09-01), Breneman et al.
patent: 3697071 (1972-10-01), Anderson
patent: 3711038 (1973-01-01), Van Otteren

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