发明名称 Markerboard
摘要 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.
申请公布号 US5035626(A) 申请公布日期 1991.07.30
申请号 US19900531994 申请日期 1990.06.01
申请人 WESTINGHOUSE ELECTRIC CORP. 发明人 PERSING, BRIAN J.
分类号 E04B2/74;G09B29/00;G09F15/00 主分类号 E04B2/74
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