US PATENT SUBCLASS 315 / 139
.~.~ Polyphase supply circuit


Current as of: June, 1999
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315 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS

137  DF  POLYPHASE A.C. SUPPLY {4}
138  DF  .~ M phase to N phase (e.g., phase splitters) {1}
139.~.~ Polyphase supply circuit {1}
140  DF  .~.~.~> Phase multiplying


DEFINITION

Classification: 315/139

(under subclass 138) Systems wherein the source of supply is a source of polyphase alternating currents.