US PATENT SUBCLASS 340 / 636
.~.~.~ Battery

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

500  DF  CONDITION RESPONSIVE INDICATING SYSTEM {6}
540  DF  .~ Specific condition {18}
635  DF  .~.~ Condition of electrical apparatus {15}
636.~.~.~ Battery

DEFINITION

Classification: 340/636

Battery:

(under subclass 635) Subject matter where the device is a battery.

SEE OR SEARCH CLASS

320, Electricity: Battery or Capacitor Charging or Discharging, appropriate subclass for a battery or capacitor charging or discharging circuit combined with an indicator.

429, Chemistry: Electrical Current Producing Apparatus, Product, and Process,

90+, for testing and indicating where specific battery structure is claimed.