US PATENT SUBCLASS 318 / 458
.~.~ Electrical condition

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

445  DF  AUTOMATIC AND/OR WITH TIME-DELAY MEANS (E.G., AUTOMATIC STARTING AND/OR STOPPING) {20}
456  DF  .~ Rate-of-change of a condition {2}
458.~.~ Electrical condition

DEFINITION

Classification: 318/458

(under subclass 456) Subject matter in which the sensing means is responsive to the rate-of-change of an electrical condition.