US PATENT SUBCLASS 194 / 307
.~.~.~ Circuit includes movable contact

Current as of: June, 1999
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194 /   HD   CHECK-ACTUATED CONTROL MECHANISMS

302  DF  INCLUDING MEANS TO TEST VALIDITY OF CHECK {4}
303  DF  .~ By testing material composition {4}
304  DF  .~.~ Having electric circuit completed by check {7}
307.~.~.~ Circuit includes movable contact {1}
308  DF  .~.~.~.~> Pivotable {1}

DEFINITION

Classification: 194/307

Circuit includes movable contact:

(under subclass 304) Apparatus wherein one of the contact members is adapted to move relative to the other.