US PATENT SUBCLASS 361 / 40
.~.~.~ With lightning arrester (e.g., spark gap)


Current as of: June, 1999
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361 /   HD   ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES

1  DF  SAFETY AND PROTECTION OF SYSTEMS AND DEVICES {32}
35  DF  .~ Transformer protection {3}
38  DF  .~.~ Transformer with structurally combined protective device {3}
40.~.~.~ With lightning arrester (e.g., spark gap)


DEFINITION

Classification: 361/40

With lightning arrester (e.g., spark gap):

(under subclass 38) Subject matter which shunts voltage surges away from a transformer.

SEE OR SEARCH THIS CLASS, SUBCLASS:

117+, for high voltage dissipation (lightning arresters), per se.