The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 07, 2014
Filed:
Apr. 06, 2011
Applicants:
Alexander T. Chenvainu, Sudbury, MA (US);
Thomas A. Christman, Lexington, MA (US);
Inventors:
Alexander T. Chenvainu, Sudbury, MA (US);
Thomas A. Christman, Lexington, MA (US);
Assignee:
Braun GmbH, Kronberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61C 17/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
Toothbrush heads, e.g., for power toothbrushes, are provided. The toothbrush heads include a support member and a plurality of bristles or tufts of bristles extending from the support member, the bristles or bristle tufts having different lengths. The contour of the bristles may be selected to allow substantially all of the bristles to contact the dentition during brushing.