US PATENT SUBCLASS 310 / 309
.~.~ Electrostatic

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

300  DF  NON-DYNAMOELECTRIC {4}
308  DF  .~ Charge accumulating {1}
309.~.~ Electrostatic {1}
310  DF  .~.~.~> Friction

DEFINITION

Classification: 310/309

Electrostatic:

(under subclass 308) Subject matter in which the electrical charge or potential is of static electricity.

(1) Note. This subclass relates, for example, to static electric generators, commonly known as Whinhurst machines.