US PATENT SUBCLASS 307 / 39
.~.~ Condition responsive


Current as of: June, 1999
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307 /   HD   ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS

11  DF  PLURAL LOAD CIRCUIT SYSTEMS {8}
38  DF  .~ Selectively connected or controlled load circuits {3}
39.~.~ Condition responsive


DEFINITION

Classification: 307/39

(under subclass 38) Subject matter automatically responsive to a condition.

SEE OR SEARCH THIS CLASS, SUBCLASS:

86+, and 116+, for this subject matter.

SEE OR SEARCH CLASS

333, Wave Transmission Lines and Networks,

2+, for plural channel communication systems having means which are automatically responsive to a condition.