Computer keyboard with vessel containing two liquids and a...

Computer graphics processing and selective visual display system – Display peripheral interface input device – Including keyboard

Reexamination Certificate

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Details

C345S157000, CD14S392000, C400S714000

Reexamination Certificate

active

07116312

ABSTRACT:
A computer keyboard device comprising a decorative sealed vessel comprising a first liquid, a second liquid, and at least one structure. The structure is insoluble in both the first and second liquids, and floats on the first liquid. The first and second liquids are immiscible and the first and second liquids have densities such that the first liquid is beneath the second liquid. The structure can maintain its upright position and remain in suspension permanently. The decorative sealed vessel is an integral portion of the computer keyboard.

REFERENCES:
patent: 5948520 (1999-09-01), Hirsch
patent: 6016138 (2000-01-01), Harskamp et al.
patent: 6066021 (2000-05-01), Lee
patent: 6106909 (2000-08-01), Hirsch
patent: 6117502 (2000-09-01), Liao
patent: 6138870 (2000-10-01), Lin
patent: 6155411 (2000-12-01), Ho
patent: 6160540 (2000-12-01), Fishkin et al.
patent: 6380926 (2002-04-01), Ho
patent: 6697051 (2004-02-01), Lee
patent: 6886022 (2005-04-01), Lee
patent: 0 899 650 (1999-03-01), None

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