US PATENT SUBCLASS 318 / 650
.~.~ With current, voltage or electrical power 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}
650.~.~ With current, voltage or electrical power measuring instruments

DEFINITION

Classification: 318/650

(under subclass 638) Subject matter in which the error detecting means is a current, voltage or electrical power measuring instrument.

SEE OR SEARCH THIS CLASS, SUBCLASS:

453+, and 474+, for open-loop automatic motor control systems responsive to current, voltage, or power.

SEE OR SEARCH CLASS

324, Electricity: Measuring and Testing,

76.11+, for electrical measuring and testing which is responsive to electricity, per se.