US PATENT SUBCLASS 40 / 466
.~.~ Electromotor operated


Current as of: June, 1999
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40 /   HD   CARD, PICTURE, OR SIGN EXHIBITING

446  DF  CHANGING EXHIBITOR {25}
463  DF  .~ With electric circuit control {5}
466.~.~ Electromotor operated {1}
467  DF  .~.~.~> Web advancing means in combination with sensing or selector means


DEFINITION

Classification: 40/466

Electromotor operated:

(under subclass 463) Exhibitor wherein the circuitry controls an electromotor which in turn causes the exhibitor to change.

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470, for changing exhibitors having an electric drive motor but without the specific control circuitry.

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318, Electricity: Motive Power Systems,

445+, for automatic electric motor starting and stopping systems; subclasses 494+ for electric motor starting and stopping by armature circuit control; subclasses 521+ for electric motor starting and stopping by field circuit control.