US PATENT SUBCLASS 40 / 375
.~ Sliding panel

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

371  DF  REGISTER, OR FILE (E.G., TELEPHONE DIRECTORY FILE) {8}
375.~ Sliding panel

DEFINITION

Classification: 40/375

Sliding panel:

(under subclass 371) Device provided with a sliding plate containing items wherein said plate may be moved at will so that information may be observed on an otherwise hidden plate.

SEE OR SEARCH THIS CLASS, SUBCLASS:

491, for a similar changing exhibitor.