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The ornamental design for an electric toothbrush, as shown. |
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FIG. 1 is a perspective view of an electric toothbrush showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational plan 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 |
| D362340, | Nov 25 1993 | U.S. Philips Corporation | Electric toothbrush |
| D373903, | Nov 25 1993 | Rowenta Werke GmbH | Toothbrush |
| D394751, | Dec 26 1996 | PANASONIC ELECTRIC WORKS CO , LTD | Electric toothbrush |
| D761567, | Mar 16 2015 | PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. | Electric toothbrush |
| D947541, | May 25 2021 | Manual toothbrush with integrated barrel-shaped handle |
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Oct 08 1990 | ELKERBOUT, MARTEN F | U S PHILIPS CORPORATION, | ASSIGNMENT OF ASSIGNORS INTEREST | 005531 | /0502 | |
| Nov 27 1990 | U.S. Philips Corporation | (assignment on the face of the patent) | / |
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