US PATENT SUBCLASS 40 / 446
CHANGING EXHIBITOR

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

446CHANGING EXHIBITOR {25}
447  DF  .~> Alphanumeric (monogram) device {4}
453  DF  .~> Variable reading stationary exhibitor {1}
455  DF  .~> With sound {2}
458  DF  .~> Scale operated
459  DF  .~> Door operated
460  DF  .~> Door latch operated
461  DF  .~> Cigar cutter or lighter operated
462  DF  .~> Train-order holder
463  DF  .~> With electric circuit control {5}
470  DF  .~> Motor operated {4}
477  DF  .~> Fluid operated {2}
481  DF  .~> Pedal operated
482  DF  .~> Axle operated {2}
485  DF  .~> Pendulum operated
486  DF  .~> Inscription cover {2}
489  DF  .~> Interchangeable plate {1}
491  DF  .~> Sliding plate
492  DF  .~> Pivoted plate
493  DF  .~> Rotatable carrier for display item {7}
508  DF  .~> Shiftable display item or item support {2}
514  DF  .~> Single reel and web {2}
518  DF  .~> Double reel and web {3}
524  DF  .~> Endless conveyor {4}
529  DF  .~> Folding web and reel
530  DF  .~> Hinge mounted display item or item support {6}

DEFINITION

Classification: 40/446

CHANGING EXHIBITOR:

(under the class definition) Device including either: (1) a display item (e.g., card, picture, sign, message indicia, etc.) having drive means permitting manipulation of a portion, or (2) plural display items wherein one item or a portion of one item is hidden from view.

(1) Note. The term "item" as employed in the above definition shall be interpreted to include (1) an item, per se, (2) an item and its support (e.g., frame, etc.), or (3) a support for the item.

SEE OR SEARCH THIS CLASS, SUBCLASS:

406+, for display devices in which a liquid is moved in view of an observer or dispersed as in smoking and bubble making display devices.

409, for display devices in which an article has free movement in view of an observer.

411+, for three-dimensional movable figure display devices which are not combined with changing charactered exhibiting devices such as changing signs.

421+, for two-dimensional movable figure display devices which are not combined with changing charactered exhibiting devices such as changing signs. 427+, for changing exhibiting devices provided with means to give to the viewer the impression of movement of an object.

SEE OR SEARCH CLASS

116, Signals and Indicators,

200+, for devices comprising a charactered board and a movable pointer for selecting a particular character for observation.

226, Advancing Material of Indeterminate Length, appropriate subclasses for methods of, and apparatus for, feeding material without utilizing the leading or trailing ends to effect movement of the material.

352, Optics: Motion Pictures, appropriate subclasses for methods and apparatus for presenting a plurality of pictures at such a rate as to create an illusion of motion due to the persistency of vision of the observer.

353, Optics: Image Projectors,

103+, for a slide changer for an image projector.

359, Optics: Systems (Including Communication) and Elements,

466+, for stereoscopes.

362, Illumination,

253, for changing exhibitor "combined" with an illuminating means not provided for in subclasses 446-537 of Class 40 or otherwise specifically provided for in Class 362. 434, Education and Demonstration, appropriate subclasses for movable exhibits designed for teaching or instruction purposes.

446, Amusement Devices: Toys, appropriate subclasses for hand-manipulatable amusement devices, toy trains, and dancing dolls.