The ornamental design for a toothbrush, as shown and described.
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
1.-2. Toothbrush
1.1 : Front
1.2 : Back
1.3 : Top
1.4 : Bottom
1.5 : Left
1.6 : Right
1.7 is an enlarged partial view.
2.1 : Front
2.2 : Back
2.3 : Top
2.4 : Bottom
2.5 : Left
2.6 : Right
2.7 is an enlarged partial view.
Adult bamboo toothbrush and tiny bamboo toothbrush.