US PATENT SUBCLASS 200 / 50.16
.~.~.~ Independently locked switch

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

50.01  DF  INTERLOCKING {4}
50.02  DF  .~ Between switches and housing {11}
50.12  DF  .~.~ Dual interlocked between door and switch {5}
50.16.~.~.~ Independently locked switch

DEFINITION

Classification: 200/50.16

Independently locked switch:

(under subclass 50.12) Subject matter including a second locking mechanism, independent of the interlocking means, to lock the switch in its closed or open positions.