US PATENT SUBCLASS 379 / 17
.~.~.~ Of switching selector

Current as of: June, 1999
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379 /   HD   TELEPHONIC COMMUNICATIONS

1  DF  DIAGNOSTIC TESTING, MALFUNCTION INDICATION, OR ELECTRICAL CONDITION MEASUREMENT {12}
9  DF  .~ Of centralized switching system {6}
15  DF  .~.~ Of automatic switching equipment {4}
17.~.~.~ Of switching selector

DEFINITION

Classification: 379/17

Of switching selector:

(under subclass 15) Subject matter for testing a device which selects a branch of the switching path.

SEE OR SEARCH CLASS

324, Electricity: Measuring and Testing,

415+, for testing of an electromagnetic switch.