US PATENT SUBCLASS 324 / 127
.~.~ Transformer (e.g., split core admits conductor carrying unknown current)

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}
127.~.~ Transformer (e.g., split core admits conductor carrying unknown current)

DEFINITION

Classification: 324/127

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

(1) Note. The transformer, for example, may be of the type having a core which can be opened to admit a current carrying conductor.

SEE OR SEARCH THIS CLASS, SUBCLASS:

129, for instruments having pole pieces which will admit a

nonunitary input conductor without disconnecting or cutting said implement conductor.

SEE OR SEARCH CLASS

336, Inductor Devices, appropriate subclasses for the structure of transformers, per se. Of special interest are 172, for "Fractional turn" type inductive devices (including transformers), and subclasses 173+ and 175+ which include current transformers.