US PATENT SUBCLASS 324 / 144
.~ With electromagnetic field (e.g., dynamometer)

Current as of: June, 1999
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324 /   HD   ELECTRICITY: MEASURING AND TESTING

76.11  DF  MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE {46}
144.~ With electromagnetic field (e.g., dynamometer) {3}
145  DF  .~.~> Solenoid plunger type
146  DF  .~.~> With permanent magnet (e.g., field, vane)
147  DF  .~.~> Soft iron vane

DEFINITION

Classification: 324/144

(under subclass 76) Subject matter having a stationary means to produce a magnetic field by the flow of electricity through a winding.

(1) Note. This subclass includes, for example,

electrodynamometer type instruments having only a single input.

SEE OR SEARCH THIS CLASS, SUBCLASS:

134+, for this subject matter having a rotor with a commutator or reversing or pulsating switch.

137+, for this subject matter having an eddy current rotor.

140+, for this subject matter having plural inputs. SEE OR SEARCH CLASS

310, Electrical Generator or Motor Structure,

10+, for dynamo electric structure of general application.