White board

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Adhesive outermost layer

Patent

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Details

428356, 428480, 428900, 434408, 434430, B43L 100

Patent

active

049961101

ABSTRACT:
A white board comprises a front surface layer composed of a polyester film having undergone a hard coat treatment and a rear surface layer composed of a sheet-like magnet. The white board can be easily attached to and detached from steel walls, glass plates, etc. and stored in a rolled state when not in use.

REFERENCES:
patent: 3197326 (1965-07-01), Webber
patent: 3949132 (1976-04-01), Seregely et al.
patent: 4427481 (1984-01-01), Smith et al.
patent: 4487586 (1984-12-01), Palmans
patent: 4615930 (1986-10-01), Matsumoto et al.

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