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:
Sep. 01, 1998
Filed:
Nov. 27, 1996
Applicant:
Inventors:
Kazumi Oishi, Kusatsu, JP;
Atsushi Yamamoto, Takatsuki, JP;
Assignee:
Sunstar Inc., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
A46B / ;
U.S. Cl.
CPC ...
151671 ; 15DI / ;
Abstract
An object of the invention is to provide a toothbrush that effectively removes plaque attached to or deposited on all the regions of tooth surface, interdental space, and cervical margin, and to conduct efficient tooth brushing. To attain the object, at least one of a plurality of tufts constituting the tufting area is wide extending along the longitudinal direction of a tufting base, and the profile of the end portion of the wide tuft is converged toward the end in a shape of dot, line, or plane.