US PATENT SUBCLASS 333 / 137
.~.~.~ Using waveguide

Current as of: June, 1999
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333 /   HD   WAVE TRANSMISSION LINES AND NETWORKS

1  DF  PLURAL CHANNEL SYSTEMS {4}
100  DF  .~ Having branched circuits {6}
136  DF  .~.~ Including long line element {1}
137.~.~.~ Using waveguide

DEFINITION

Classification: 333/137

Using waveguide:

(under subclass 136) Subject matter wherein the long line element is of the waveguide type.