US PATENT SUBCLASS 336 / 148
.~.~ Autotransformers

Current as of: June, 1999
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336 /   HD   INDUCTOR DEVICES

137  DF  WITH MEANS TO CHANGE COIL LENGTH OR CONNECTIONS {8}
145  DF  .~ Plural coils (e.g., transformers) {3}
148.~.~ Autotransformers

DEFINITION

Classification: 336/148

(under subclass 145) Subject matter in which a coil portion forms at least a part of a plurality of coils.

(1) Note. Included in this subclass are auto-transformers.

(2) Note. An illustrative example is: [figure]