US PATENT SUBCLASS 335 / 50
.~.~.~ Comprising plural interconnected liquid containers

Current as of: June, 1999
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335 /   HD   ELECTRICITY: MAGNETICALLY OPERATED SWITCHES, MAGNETS, AND ELECTROMAGNETS

2  DF  ELECTROMAGNETICALLY ACTUATED SWITCHES {30}
47  DF  .~ Utilizing conductive liquid (e.g., mercury) {4}
49  DF  .~.~ With liquid-displacement means {3}
50.~.~.~ Comprising plural interconnected liquid containers

DEFINITION

Classification: 335/50

(under subclass 49) Subject matter wherein the structure includes at least two separate wells or containers each of which is adapted to hold at least a portion of the conductive fluid and in which the condition of the external circuit depends upon the presence of, or the amount of, liquid in one or the other or both containers.

SEE OR SEARCH CLASS

338, Electrical Resistors,

80+, for liquid resistor devices, especially subclass 81 wherein an electrode is separable from the liquid for switching and subclass 94 for devices for varying a resistance by means of a device having contacts adapted to be closed by a liquid.