Novelty cup for forcibly ejecting liquid

Details Novelty cup for forcibly ejecting liquid Novelty cup for forcibly ejecting liquid

1982-06-28

1984-04-03

Stouffer, Richard T.

Undertaking

A63J 2300

Patent

active

044403909

ABSTRACT:
A cup, including a closed annular chamber and a vertical passage. When the main central chamber is filled with a liquid, the liquid also fills the vertical passage, but air is trapped and compressed to a degree in the annular chamber. When the cup is tilted as for drinking, trapped, compressed air reaches the vertical passage and squirts liquid therein into the drinker's face.

REFERENCES:
patent: 978681 (1910-12-01), Walther
patent: 1030859 (1912-07-01), Anagnostou
patent: 1381458 (1921-06-01), Dorris
patent: 1775747 (1930-09-01), Ake
patent: 4289109 (1981-09-01), D'Andrade
Barr, George, Show Time for Young Scientists, New York, McGraw-Hill, 1965, pp. 138-139.

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