US PATENT SUBCLASS 320 / FOR 139
.~.~.~ For battery circuit-making and/or breaking (320/40)

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  DF  .~.~ Voltage or current magnitude (320/39) {1}
FOR 139.~.~.~ For battery circuit-making and/or breaking (320/40)

DEFINITION

Classification: 320/FOR.139

Foreign art collection in which the control means operate to make and/or break either the charging circuit or the discharging circuit.