Advertisement billboard

Card – picture – or sign exhibiting – Changing exhibitor – Rotatable carrier for display item

Reexamination Certificate

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Details

C040S505000, C040S506000

Reexamination Certificate

active

07121026

ABSTRACT:
The advertisement billboard includes at least one rotatable polyhedral column and a driving mechanism provided on a frame. The polyhedral column is consisted of a plurality of rotatable exhibiting boards having an obverse side and a reverse side. Each obverse side of the exhibiting boards outwardly displays an advertisement in sequence when the polyhedral column rotates for the first revolution, and each reverse side of the exhibiting boards outwardly displays an advertisement when the polyhedral column rotates for the second revolution, thereby enabling the advertisement billboard to display a multiple of planar advertisements.

REFERENCES:
patent: 969780 (1910-09-01), Gee
patent: 1195369 (1916-08-01), La Pearl
patent: 1362542 (1920-12-01), Rogers
patent: 1389078 (1921-08-01), Spinello
patent: 4274218 (1981-06-01), Harvey
patent: 6065232 (2000-05-01), Haughey et al.

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