US PATENT SUBCLASS 40 / 576
.~.~.~ Interchangeable letters or numbers

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

541  DF  ILLUMINATED SIGN {13}
564  DF  .~ Lamp box {13}
575  DF  .~.~ Interchangeable plate {1}
576.~.~.~ Interchangeable letters or numbers

DEFINITION

Classification: 40/576

Interchangeable letters or numbers:

(under subclass 575) Sign wherein the removable indicia plates are in the form of letters or numbers.

SEE OR SEARCH THIS CLASS, SUBCLASS:

618+, for nonilluminated interchangeable letters.