US PATENT SUBCLASS 318 / 455
.~.~.~.~ Voltage and current (e.g., watts)

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}
452  DF  .~ Plural, diverse conditions or with time-delay means {1}
453  DF  .~.~ Electrical condition {1}
454  DF  .~.~.~ Plural, diverse electrical conditions {1}
455.~.~.~.~ Voltage and current (e.g., watts)

DEFINITION

Classification: 318/455

(under subclass 454) Subject matter in which the sensing means are responsive to both voltage and current including watts or watthours based on both voltage and current.

SEE OR SEARCH CLASS

322, Electricity: Single Generator Systems,

43, for generator control in response to voltage and current.

324, Electricity: Measuring and Testing, appropriate subclasses, particularly

136, 137, 139, and 140 for watt or watt-hour meters, per se.