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US 2010/0132141 A1Published application
Electric Toothbrushes
OwnerJohn Geoffrey Chan, Wang Pinginventors
Life of this patent
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Abstract
A toothbrush has a handle, a head and a neck disposed between and connecting the head and the handle. A bristle carrier is disposed on the head. The bristle carrier has a plurality of outer tufts and a plurality of intermediate tufts. The plurality of intermediate tufts are disposed inboard of the plurality of outer tufts. Each of the plurality of intermediate tufts have a height, and at least a portion of the plurality of intermediate tufts have notches. The notches are oriented in a direction which is generally perpendicular to the height.
Claims11
A toothbrush comprising:
- a handle, a head, and a neck disposed between and connecting the head and the handle;
- and
- a bristle carrier disposed on the head, the bristle carrier comprising a plurality of outer tufts and a plurality of intermediate tufts disposed inboard of the plurality of outer tufts, wherein each of the plurality of intermediate tufts having a height, wherein at least a portion of the plurality of intermediate tufts comprise notches, and wherein the notches are oriented in a direction which is generally perpendicular to the height.
A toothbrush head comprising:
- a bristle carrier comprising a plurality of outer tufts and a plurality of intermediate tufts disposed inboard of the plurality of outer tufts, wherein each of the plurality of intermediate tufts having a height, wherein at least a portion of the plurality of intermediate tufts comprise notches, and wherein the notches are oriented in a direction which is generally perpendicular to the height.
Dependencies are inferred from the claim text.