US PATENT SUBCLASS 324 / 128
.~.~ Selective filter

Current as of: June, 1999
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324 /   HD   ELECTRICITY: MEASURING AND TESTING

76.11  DF  MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE {46}
126  DF  .~ With coupling means (e.g., attenuator, shunt) {2}
128.~.~ Selective filter

DEFINITION

Classification: 324/128

(under subclass 126) Subject matter in which the coupling means is a selective filter.

(1) Note. The filter may be a high pass, low pass or band pass filter.

SEE OR SEARCH CLASS

333, Wave Transmission Lines and Networks,

167+, for wave filters, per se.