US PATENT SUBCLASS 200 / 200
.~.~ Periodic

Current as of: June, 1999
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200 /   HD   ELECTRICITY: CIRCUIT MAKERS AND BREAKERS

182  DF  LIQUID CONTACT {17}
199  DF  .~ Contact dips (moves relative to container) into the conductive liquid {1}
200.~.~ Periodic {2}
201  DF  .~.~.~> Progressive contacts
202  DF  .~.~.~> Cam actuated

DEFINITION

Classification: 200/200

(under subclass 199) Subject matter wherein electrical connection is made or broken at predetermined time intervals.