US PATENT SUBCLASS 318 / 643
.~.~ With moisture content or wetness measuring instruments

Current as of: June, 1999
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318 /   HD   ELECTRICITY: MOTIVE POWER SYSTEMS

560  DF  POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) {23}
638  DF  .~ With particular "error-detecting" means {13}
643.~.~ With moisture content or wetness measuring instruments

DEFINITION

Classification: 318/643

(under subclass 638) Subject matter in which the error detecting means is a moisture content or wetness measuring instrument.

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483, for open-loop automatic motor control responsive to moisture content or wetness.

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73, Measuring and Testing,

29.02+, for measuring and testing devices employing hygrometers. 340, Communications: Electrical,

602, for electrical communications systems automatically responsive to moisture or humidity.