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The ornamental design for a toothbrush, as shown.
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FIG. 1 is a perspective view of a toothbrush showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
| Patent | Priority | Assignee | Title |
| D739146, | Apr 15 2013 | Toothbrush | |
| D786564, | Oct 28 2015 | Sabine, Borstel | Toothbrush |
| D965986, | Feb 12 2021 | Toothbrush |
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