US PATENT SUBCLASS 320 / FOR 142
.~.~ Condition of battery charge (320/43)

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 142.~.~ Condition of battery charge (320/43) {2}
FOR 143  DF  .~.~.~> Control by ampere-hour or watt-hour type of device (320/44) {1}
FOR 145  DF  .~.~.~> Control by gas pressure-responsive means (320/46)

DEFINITION

Classification: 320/FOR.142

Foreign art collection in which the sensing means operate in response to the state or degree of battery change.