Markerboard

Details Markerboard Markerboard

1990-06-01

1991-07-30

Apley, Richard J.

Education and demonstration

Means for demonstrating apparatus, product, or surface...

Chalkboard or equivalent means having easily erasable surface

434429, G09B 1900

Patent

active

050356267

ABSTRACT:
A markerboard which includes a rectangular substrate having first and second side edges, top and bottom edges, and front and rear major flat surfaces. A plastic sheet having an erasable surface is fixed to the front surface of the substrate and wrapped over the entire upper edge and at least partially over the remaining edges. A bottom rail is supported by the bottom edge of the substrate, with the bottom rail having first and second ends and a longitudinal groove which extends between the ends having a lip for supporting accessories. First and second stiles cover and conceal the sidewardly facing first and second edges of the substrate and the first and second ends of the bottom rail. The first and second stiles and bottom rail all have having front-facing surfaces which are substantially co-planar with the erasable surface, without overlap over the erasable surface.

REFERENCES:
patent: D165038 (1951-10-01), Windhorst
patent: 883402 (1908-03-01), Hainline
patent: 1984845 (1934-12-01), Smith et al.
patent: 3283421 (1966-11-01), Schott
patent: 3762116 (1973-10-01), Anderson et al.
patent: 3949132 (1976-04-01), Seregely et al.
patent: 4401222 (1983-08-01), Kulikowski et al.
patent: 4779369 (1988-10-01), Hill et al.
patent: 4978568 (1990-12-01), Postma

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