Mechanically driven toothbrush
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 14, 1998
Issued Date -
N/A
app pub date -
Nov 14, 1996
filing date -
Nov 1, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A toothbrush has a thin, metal cam shaft rotatably driven about a central longitudinal axis. Tuft blocks are mounted in a head member and constrained to pivot about an axis of a support shaft. Upper sides of the tuft blocks each have a slot which fits somewhat loosely over the cam shaft. During use, the cam shaft causes upstanding ends of bristles to move from side to side.
First Claim
Family
International Classification(s)
- Non-US Classification not provided for expired patents
Cited Art Landscape
Patent Citation Ranking
- Citation Ranking not provided for expired patents
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