Patent
1976-10-19
1979-04-03
Grieb, William H.
35 7A, 40600, G09B 2900
Patent
active
041469763
ABSTRACT:
Disclosed herein is a modular panel that can be assembled with other similar panels, to form magnetic boards for programming and statistical purposes. Each panel consists of a metal sheet, whereon a grating is defined by two pluralities of equidistantly spaced parallel grooves, grooves of one plurality being perpendicular to those of the other. The grooves are embossed on the metal sheet. The center-to-center distance of successive nodes, or points of intersection of the grooves subdivide the board into equal parts. Magnetic signalling elements can be inserted into said grooves. The same elements can be horizontally or vertically placed on the board, whatever the orientation thereof may be.
REFERENCES:
patent: 1163125 (1915-12-01), Bechmann
patent: 2598498 (1952-05-01), Brown
patent: 3766668 (1973-10-01), Vogel
Grieb William H.
Tecno-Planning Italia Di Giulini e Zambiasi
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