Hand washing timer
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United States of America Patent
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Sep 19, 2023
Grant Date -
N/A
app pub date -
Jul 29, 2020
filing date -
Mar 19, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A hands-free visual timer enables a person to wash his or hands for the duration of time recommended by the Center for Disease Control. Upon activation, the timer displays an annular ring of thirty triangles and a first icon. After five seconds have passed, a second icon is displayed indicating the user should apply soap. After twenty-five seconds, a third icon is displayed indicating the user should rinse. After thirty seconds, the screen goes blank and all the triangles have disappeared. The central display of triangles is illuminated by a liquid crystal display. The icons are illuminated by light emitting diodes.
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