US PATENT SUBCLASS 200 / 19.09
.~.~.~ Commutator

Current as of: June, 1999
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200 /   HD   ELECTRICITY: CIRCUIT MAKERS AND BREAKERS

19.01  DF  PERIODIC {13}
19.06  DF  .~ Multiple contacts {2}
19.07  DF  .~.~ Rotary {5}
19.09.~.~.~ Commutator

DEFINITION

Classification: 200/19.09

Commutator:

(under subclass 19.07) Subject matter wherein the rotary contact is used in a direct current generator to reverse the direction of an electric current and maintain a current flowing in one direction.