US Patent No: 6,990,706
Number of patents in Portfolio can not be more than 2000
Toothbrush
Stats
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Jan 31, 2006
Issued date -
Nov 30, 2000
filing date -
10/149,796
serial no -
Expired
status
Importance
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Abstract
A toothbrush having a head which carries a dental cleaning tool, and a grip handle, the head and handle being disposed along a longitudinal head-handle axis, the toothbrush having a resiliently flexible structure which can resiliently bend under the action of toothbrushing pressure and having adjustment means comprising a longitudinally moveable stiffening member which can be moved longitudinally into greater or lesser engagement with the resiliently flexible structure.
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First Claim
Related Publications
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 5,054,154 Toothbrush with flexible head | 136 | 1989 | |
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| 6,101,659 Toothbrush | 27 | 1999 | |
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| 5,315,732 Toothbrush having adjustable brushing pressure | 13 | 1993 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jul 31, 2013 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 31, 2017 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |