US PATENT SUBCLASS 273 / 457
ENCLOSED FLUID MEDIUM

Current as of: June, 1999
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273 /   HD   AMUSEMENT DEVICES: GAMES

457ENCLOSED FLUID MEDIUM {1}
458  DF  .~> Inflatable

DEFINITION

Classification: 273/457

ENCLOSED FLUID MEDIUM:

(under the class definition) Apparatus including structure for surrounding a quantity of liquid or gas.

SEE OR SEARCH THIS CLASS, SUBCLASS:

138.5, for a gravity-propelled chance element that traverses a liquid-filled path.

SEE OR SEARCH CLASS

446, Amusement Devices: Toys,

267, for a toy device having enclosed liquid.