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US 2008/0301894 A1Published application
Toothbrush
OwnerJui-Chi Wanginventor
Life of this patent
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Abstract
A toothbrush comprising a head portion having bristles thereon, a neck portion, and a handle is disclosed. One end of the neck portion is connected to the head portion, and the other end is connected to the handle. The axis of the bristles is substantially parallel to the axis of the neck portion. The axis of the neck portion and the axis of the handle form an angle. Accordingly, the toothbrush can be used easily for brushing and it reduces angle limitations when cleaning the inner surface of the teeth.
Claims10
A toothbrush comprising:
- a head portion having a plurality of bristles thereon, wherein the bristles are substantially parallel to each other;
- a neck portion extended from the head portion;
- and
- a handle extended from the neck portion;
- wherein the axis of the bristles is substantially parallel to the axis of the neck portion;
- wherein the axis of the neck portion and the axis of the handle form an angle;
- and wherein the axis of the head portion and the axis of the neck portion form another angle.
4 more elements
A toothbrush comprising:
- a head portion having a plurality of bristles, wherein the bristles are substantially parallel to each other;
- a neck portion connected to the head portion;
- and
- a handle connected to the neck portion;
- wherein the axis of the bristles is substantially parallel to the axis of the neck portion and wherein the handle can rotate with respective to the neck portion.
2 more elements
A toothbrush comprising:
- a head portion having a plurality of bristles, wherein the bristles are substantially parallel to each other;
- a neck portion connected to the head portion, and wherein the neck portion is substantially in L-shaped;
- and
- a handle extended from the neck portion;
- wherein the axis of the bristles is substantially parallel to the axis of the neck portion;
- wherein the head portion can rotate with respective to the neck portion;
- wherein the axis of the head portion and the axis of the neck portion form an angle;
- and wherein the axis of the neck portion and the axis of the handle form an angle.
5 more elements
Dependencies are inferred from the claim text.