US PATENT SUBCLASS 40 / 619
.~.~ Glass

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

584  DF  SIGNS {26}
618  DF  .~ Interchangeable {2}
619.~.~ Glass

DEFINITION

Classification: 40/619

Glass:

(under subclass 618) Device comprising interchangeable letters, the principal ingredient of which is glass.