US PATENT SUBCLASS 200 / 50.38
.~.~.~ Grounding transformer switch

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

50.01  DF  INTERLOCKING {4}
50.32  DF  .~ Between plural switches {2}
50.37  DF  .~.~ Sequentially operated {3}
50.38.~.~.~ Grounding transformer switch

DEFINITION

Classification: 200/50.38

Grounding transformer switch:

(under subclass 50.37) Subject matter including a transformer switch intended primarily for the purpose of providing a neutral point for grounding purposes.