Card – picture – or sign exhibiting – Display device with gas or liquid movement
Patent
1988-12-02
1990-08-21
Brittain, James R.
Card, picture, or sign exhibiting
Display device with gas or liquid movement
40407, 40427, 239 20, 272 8D, G09F 1900
Patent
active
049494856
ABSTRACT:
A display device for creating an illusion of a continuous flow of fluid to a receptacle having a limited fluid containing capacity is adapted to produce a wide variety of, and multiplicity of, different visual effects. The device includes a manifold mounted on a return line from the receptacle to a pump, and fluid from the pump is delivered to the manifold which includes a drain for directed the fluid down the outside of the return line. The device includes a plurality of receptacles and can include various valves and controls so that the receptacles can be operated in a pre-determined sequence.
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patent: 3629958 (1971-12-01), Olson et al.
patent: 3814317 (1974-06-01), Hruby, Jr.
patent: 4149674 (1979-04-01), Fukamizu et al.
patent: 4294406 (1981-10-01), Pevnick
Brittain James R.
Gernstein Terry M.
Hakamaki J.
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