
US Patent No: D374350
Number of patents in Portfolio can not be more than 2000
Toothbrush
Stats
-
Oct 8, 1996
Issued date -
Mar 22, 1995
filing date -
29/036,558
serial no -
Expired
status
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Abstract
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First Claim
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International Classification(s)
- International Classification not provided for expired patents
Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| D272682 Toothbrush | 9 | 1981 | |
| D272691 Toothbrush | 9 | 1981 | |
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| D331320 Toothbrush | 21 | 1989 | |
| D324775 Toothbrush handle | 44 | 1990 | |
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| 5,392,483 Multi-level bristle tuft toothbrush | 157 | 1994 | |
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| D279838 Toothbrush | 35 | 1983 | |
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| D359851 Set of bristles for a toothbrush | 21 | 1992 | |
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| D285263 Handle for toothbrush or flossing aid | 32 | 1984 | |
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| D328392 Toothbrush handle | 57 | 1990 | |
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| 4,268,933 Bristles for an interproximal and periodontal toothbrush | 58 | 1979 | |
| 4,776,054 Toothbrush | 83 | 1987 | |
Patent Citation Ranking
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