US PATENT SUBCLASS 310 / 68 R
.~.~.~ Electric circuit elements

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}
66  DF  .~.~ With other elements {7}
68 R.~.~.~ Electric circuit elements {9}
69  DF  .~.~.~.~> Shaft-driven switch (e.g., blasting generators) {1}
71  DF  .~.~.~.~> Connectors, terminals or lead-ins
72  DF  .~.~.~.~> Impedance devices
73  DF  .~.~.~.~> Illuminating devices
68 A  DF  .~.~.~.~> Manually operable (e.g., switches, rheostats, etc.)
68 B  DF  .~.~.~.~> Condition responsive (e.g., position, torque, etc.)
68 C  DF  .~.~.~.~> Temperature, current-responsive, i.e., protectors
68 D  DF  .~.~.~.~> Conversion elements, (e.g., transformers, rectifiers, etc.)
68 E  DF  .~.~.~.~> Motion responsive (e.g., centrifugal switches)

Unofficial Alpha Subclasses: R A B C D E

DEFINITION

Classification: 310/68

(under subclass 66) Subject matter in which the other subject matter is one or more electric circuit elements.

SEE OR SEARCH CLASS

318, Electricity: Motor Power Systems,

830+, for induction motor systems having circuit control means built into the induction motor.