Tooth cleaning device and method for making the same
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United States of America Patent
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-
Jul 6, 1993
Issued Date -
N/A
app pub date -
Nov 19, 1992
filing date -
Jan 19, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The device is improved over earlier versions in providing for the wings of the device maintaining the angular relationship therebetween when the reciprocate crosswise of the space between the arms to accommodate to variance in the diameter of the teeth. It is also improved in providing an implement which is cast about the arms to enwrap them in more sanitary fashion; and in providing a technique for casting the implement in a way which injects a harder casting material into the cores of the bristle.
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Family
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Cited Art Landscape
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