Display device

Card – picture – or sign exhibiting – Signs – Sign support

Reexamination Certificate

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Details

C040S529000, C040S539000

Reexamination Certificate

active

07036256

ABSTRACT:
A display device comprises at least first, second and third plates each having forward and rearward surfaces wherein the second plate is rearward of the first plate, and the third plate is rearward of the second plate. A biasing member permits relative movement of adjacent plates between retracted and expanded positions upon pulling the first plate forwardly. The retracted plates are in registration with one another whereby generally only the forward surface of the first plate is exposed for viewing information to be displayed thereon from a position generally forward of the display device. The plates in the expanded position are biased toward the retracted position and oriented such that the forward surface of the first plate, the rearward surface of the second plate and the forward surface of the third plate are exposed for viewing information to be displayed thereon from a position generally forward of the display device.

REFERENCES:
patent: 858313 (1907-06-01), Wells
patent: 2458729 (1949-01-01), Politzer
patent: 3734809 (1973-05-01), Ellis
patent: 4270291 (1981-06-01), Babberl
patent: 4598934 (1986-07-01), Cashel
patent: 4642605 (1987-02-01), Karp
patent: 4951993 (1990-08-01), Taboada
patent: 5413396 (1995-05-01), Poznansky et al.

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