US PATENT SUBCLASS 320 / FOR 118
.~.~ Periodic or intermittent charging or discharging (320/19)

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 114  DF  .~ Plural, diversely treated, batteries (320/15) {3}
FOR 118.~.~ Periodic or intermittent charging or discharging (320/19)

DEFINITION

Classification: 320/FOR.118

Foreign art collection in which means operate to charge or

discharge the batteries at successive intervals, said intervals being spaced by other intervals during which the battery current is substantially zero.