US PATENT SUBCLASS 74 / 3.52
.~.~ Plural, sequential, trip actuations

Current as of: June, 1999
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74 /   HD   MACHINE ELEMENT OR MECHANISM

2  DF  AUTOMATIC OPERATION OR CONTROL (E.G., TRIPS) {3}
3.5  DF  .~ Retarded {2}
3.52.~.~ Plural, sequential, trip actuations

DEFINITION

Classification: 74/3.52

(under subclass 3.5) Mechanism preset to cause sequential tripping of a single part or tripping of several parts in sequence.