US PATENT SUBCLASS 324 / 422
.~.~ To evaluate contact sequence of operation

Current as of: June, 1999
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324 /   HD   ELECTRICITY: MEASURING AND TESTING

415  DF  ELECTROMECHANICAL SWITCHING DEVICE {4}
418  DF  .~ Relay {5}
422.~.~ To evaluate contact sequence of operation

DEFINITION

Classification: 324/422

To evaluate contact sequence of operation:

(under subclass 418) Subject matter in which the order of make and break operation of plural contacts is determined.