Multipurpose advertisement board

Card – picture – or sign exhibiting – Changing exhibitor – Double reel and web

Reexamination Certificate

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Details

C040S471000

Reexamination Certificate

active

08069597

ABSTRACT:
Disclosed is a multipurpose advertisement board having a film between glass plates of a double glazed window, wherein pieces of steel wire are provided to respective ends of the film and the pieces of steel wire can be wound around winding rollers, so that the multipurpose advertisement board can display a variety of patterns printed on the film, and also can act as a normal glass window. The multipurpose advertisement board includes a double glazed window that includes two or more glass plates, a film moving in the space of the double glazed window, an upper winding roller and a lower winding roller installed at the upper and lower portions of the double glazed window for winding the film, pieces of steel wire connected to the left and right ends of the film, and steel wire winding grooves provided to the upper and lower winding rollers.

REFERENCES:
patent: 4813198 (1989-03-01), Johnston et al.
patent: 4864783 (1989-09-01), Esposito
patent: 5467266 (1995-11-01), Jacobs et al.
patent: 6931773 (2005-08-01), Bihr

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