Compact alternative message sign

Details Compact alternative message sign Compact alternative message sign

1986-09-12

1988-03-22

Swiatek, Robert P.

Card, picture, or sign exhibiting

Changing exhibitor

Sliding plate

40488, G09F 1100

Patent

active

047319453

ABSTRACT:
A compact sign is disclosed in which alternative messages are displayed, such as "OPEN" or "CLOSED". The signs use certain of the letters in each of the messages, for example "O" and "E" in the OPEN-CLOSED embodiment. The signs have three panels: a front panel with an aperture through which the other two panels may be viewed; a middle panel having one or more one space apertures through which information on the back panel may be viewed, as well as either blank spaces or information in other spaces; and a back panel with either blank spaces or information. The middle panel slides one space to reveal the alternate message.

REFERENCES:
patent: 2897617 (1959-08-01), Haupt
patent: 3748767 (1973-07-01), Giesecke
patent: 4177593 (1979-12-01), Lockey
patent: 4217713 (1980-08-01), Greenberger
patent: 4485576 (1984-12-01), Greenberger
patent: 4622770 (1986-11-01), Howard

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