Liquid-filled display device

Details Liquid-filled display device Liquid-filled display device

2007-12-25

2007-12-25

Morris, Lesley D. (Department: 3677)

Card, picture, or sign exhibiting

Display device with gas or liquid movement

With dispersion of fluid medium

C040S406000, C040S408000, C040S409000, C040S410000, C040S412000, C040S439000, C040S442000, C040S477000, C446S267000

Reexamination Certificate

active

10985283

ABSTRACT:
A liquid-filled display device includes a hollow member mounted on a transparent top end wall of a hollow base and confining a water-tight inner space filled with a liquid body, and a display unit mounted on the top end wall and having a top wall and two transparent sidewalls connected to the hollow member. The sidewalls and the top wall cooperate with the hollow member and the top end wall to confine a display space. At least one of the sidewalls is provided with an advertisement. An air pump unit is mounted in the base, and is operable so as to supply fine air bubbles into the liquid body through a diffuser set mounted within the inner space. A lamp unit mounted in the base beneath the hollow member is operable so as to radiate colored light that penetrates through the top end wall into the inner space.

REFERENCES:
patent: 3706149 (1972-12-01), Olivieri
patent: 5228225 (1993-07-01), Lee
patent: 5617657 (1997-04-01), Kahn
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patent: 6447137 (2002-09-01), Long
patent: 6481128 (2002-11-01), Lin
patent: 6539654 (2003-04-01), Lin
patent: 6550167 (2003-04-01), Huang
patent: 6811836 (2004-11-01), Johnson et al.
patent: WO 9003636 (1990-04-01), None

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