US PATENT SUBCLASS 434 / 410
.~.~ Mark formed by bonding sheet to underlying surface with pressure-applying stylus (e.g., Magic Slate, etc.)

Current as of: June, 1999
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434 /   HD   EDUCATION AND DEMONSTRATION

365  DF  MEANS FOR DEMONSTRATING APPARATUS, PRODUCT, OR SURFACE CONFIGURATION, OR FOR DISPLAYING EDUCATION MATERIAL OR STUDENT'S WORK {37}
408  DF  .~ Chalkboard or equivalent means having easily erasable surface {14}
410.~.~ Mark formed by bonding sheet to underlying surface with pressure-applying stylus (e.g., Magic Slate, etc.)

DEFINITION

Classification: 434/410

Mark formed by bonding sheet to underlying surface with pressure-applying stylus (e.g.., magic slate, etc.):

(under subclass 408) Subject matter wherein the panel comprises a transparent or translucent sheet and an underlying surface, a mark being made by applying pressure against the top surface of the sheet with a pen-shaped instrument to thereby cause the sheet to stick to the underlying surface along the path traced by said instrument, the line of bonding being visible.