TIMING DEVICE WITH AUDIBLE INDICATION
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United States of America Patent
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Issued Date -
Feb 17, 2022
app pub date -
Jan 29, 2020
filing date -
Jan 29, 2020
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Abstract
The invention provides a device (100) for timing that audibly provides an indication of elapsing time. The device being similar to an hourglass, having two containers connected by a central passage and filled with particulates. Wherein one of the containing halves of the device has a recessed portion and sounding surface positioned under the connecting passage, and is arranged to produce sound when its internal surface is struck by a falling particulate.
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