US PATENT SUBCLASS 320 / FOR 138
.~.~ Voltage or current magnitude (320/39)

Current as of: June, 1999
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320 /   HD   ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING

FOR 101  DF  BATTERY CHARGING AND/OR DISCHARGING (320/2) {15}
FOR 129  DF  .~ Control responsive to predetermined conditions (320/30) {7}
FOR 138.~.~ Voltage or current magnitude (320/39) {1}
FOR 139  DF  .~.~.~> For battery circuit-making and/or breaking (320/40)

DEFINITION

Classification: 320/FOR.138

Foreign art collection in which the sensing means are responsive to a predetermined voltage magnitude or a predetermined current magnitude in any circuit.