Brush head with a shaped bottom plate
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 7, 1992
Issued Date -
N/A
app pub date -
Aug 9, 1990
filing date -
Jun 22, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A brush head for cleaning and massaging the teeth and gums is disclosed having a bundle of fibers welded together to form a bottom plate. The bottom plate has formed structures produced by partially melting one end of the fiber bundle while pressing the bundle into a shaped recess in a heated tool. The shaped structures allow interlocking of the brush head with mating structures in a driving devise.
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Family
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Cited Art Landscape
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