US PATENT SUBCLASS 310 / 252
.~.~.~.~.~ With composition feature

Current as of: June, 1999
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310 /   HD   ELECTRICAL GENERATOR OR MOTOR STRUCTURE

10  DF  DYNAMOELECTRIC {5}
40 R  DF  .~ Rotary {28}
219  DF  .~.~ Current collectors {7}
238  DF  .~.~.~ Fixed structure {2}
248  DF  .~.~.~.~ Brushes {3}
252.~.~.~.~.~ With composition feature {1}
253  DF  .~.~.~.~.~.~> Carbonaceous

DEFINITION

Classification: 310/252

(under subclass 248) Subject matter relating to the composition of the brush.

(1) Note. The search should, in all instances, continue in the class which relates to the composition, per se.

SEE OR SEARCH CLASS

106, Compositions: Coating or Plastic, appropriate subclasses for coating or plastic compositions in general.

252, Compositions,

500+, for electrically conductive compositions and for brushes defined solely in terms of the composition of which they are composed.