Display board

Details Display board Display board

1978-07-31

1981-02-24

Mancene, Gene

Card, picture, or sign exhibiting

Changing exhibitor

Interchangeable plate

40600, 40621, G09F 1100

Patent

active

042519365

ABSTRACT:
A display unit is disclosed in which a frame assembly magnetically supports a plurality of removable display strips in predetermined patterns and in which alpha-numeric character elements are magnetically supported on the display strips and frame assembly in information displaying sets referenced in part by markings located on the surface of the display strips.

REFERENCES:
patent: 1694639 (1928-12-01), Brown
patent: 2748498 (1956-06-01), Stuart et al.
patent: 3168787 (1965-02-01), Surrey
patent: 3186323 (1965-06-01), Niehaus
patent: 3220127 (1965-11-01), Wilson
patent: 3383785 (1968-05-01), Werner
patent: 3681857 (1972-08-01), Yardley
patent: 3928921 (1975-12-01), Gurman
patent: 3942147 (1976-03-01), Josephson
patent: 4040194 (1977-08-01), Penton et al.

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