Demountable signboards

Card – picture – or sign exhibiting – Signs – Interchangeable

Patent

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Details

411373, G09F 700

Patent

active

046836705

ABSTRACT:
A signboard of a type used to carry replaceable letters or similar indicia can be improved by using at least one easily operated holder to connect the signboard to a support such as a wall. This permits the signboard to be easily removed from the support so that it can be held in a convenient manner as the content of a sign on the signboard is changed or altered.

REFERENCES:
patent: 843235 (1907-02-01), Richardson
patent: 884570 (1908-04-01), Claridge
patent: 1413082 (1922-04-01), Weinrich
patent: 1691638 (1928-11-01), Carney
patent: 4044813 (1977-08-01), Emmons
patent: 4406033 (1983-09-01), Chisholm et al.
patent: 4413374 (1983-11-01), Ferdinand et al.

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