| Publication number | USD457728 S1 | | Publication type | Grant | | Application number | 29/152,878 | | Publication date | 28 May 2002 | | Filing date | 4 Jan 2002 | | Priority date | 25 Jan 1999 | | Also published as | | |
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Head portion of an electric toothbrush
US D457728 S1 -
The ornamental design for a head portion of an electric toothbrush, as shown and described.
FIG. 1 is an enlarged, perspective view of a head portion of an electric toothbrush showing our new design; and,
FIG. 2 is a top view thereof.
The dashed lines shown in the figures represent environmental subject matter and form no part of the claimed design. The dotted lines shown in the figures represent the border between claimed subject matter and unclaimed subject matter and form no part of the claimed design.
| Reference |
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| 1 | Bachrich, Toothbrushes, Patent Abstract of United Kingdom, 452,961 (Dec. 19, 1934) (Abstract only). | | 2 | Bader, Review of Currently Available Battery-Operated Toothbrushes, Compend. Contin. Educ. Dent., vol. X111, No. 12, Dec. 1992, p. 1162, 1164-1169. | | 3 | Christensen, Elektromechanische Zahnbürste, Patent Abstract of Germany, DE 9310480 (Oct. 21, 1993) (Abstract only). | | 4 | Sgan-Cohen et al., One Month Evaluation of the Manually Rotating "Bio-Bright" Toothbrush for Clinical Safety and Efficacy, Journal article, Department of Community Dentistry, Jerusalem, Israel, p. 120-123. | | 5 | Wallrath, Electric Toothbrush, Patent Abstract of Germany, DE 3406112 (Feb. 21, 1984) (Abstract only). |
| Citing Patent | Filing date | Publication date | Applicant | Title |
|---|
| US6725490 | 6 Nov 2001 | 27 Apr 2004 | The Procter & Gamble Company | Complex motion toothbrush | | US7322066 | 17 Feb 2004 | 29 Jan 2008 | Church & Dwight Co., Inc. | Electric toothbrushes having movable, intermittently movable, and fixed bristles | | US7356866 | 9 Dec 2003 | 15 Apr 2008 | Church & Dwight Co., Inc. | Modular electric toothbrushes | | US7748070 | 14 Aug 2008 | 6 Jul 2010 | The Procter & Gamble Company | Electric toothbrush comprising an electrically powered element | | US7845039 | 17 May 2004 | 7 Dec 2010 | The Procter & Gamble Company | Toothbrush with severable electrical connections |
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