US PATENT SUBCLASS 310 / 23
.~.~.~.~ Solenoid and core type

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

10  DF  DYNAMOELECTRIC {5}
15  DF  .~ Reciprocating {7}
17  DF  .~.~ With other elements {2}
20  DF  .~.~.~ Motion-converting mechanism {2}
23.~.~.~.~ Solenoid and core type {1}
24  DF  .~.~.~.~.~> Plural cores

DEFINITION

Classification: 310/23

(under subclass 20) Subject matter in which the relatively movable parts of the dynamoelectric device are concentric and consist of a hollow winding and a plunger type armature passing thereunto.