Toothbrush
AssigneeGillette Canada Inc.
InventorsKaren Claire, Thomas Craig Masterman, William A. Bredall, James Schreck
Life of this patent
Estimating the term…
Abstract
A toothbrush includes a head having bristle tufts implanted therein. At least two of the tufts cross so as to permit at least some the bristles to intermingle. One of the two tufts is located adjacent a long side of the head.
Claims33
A toothbrush comprising a head having tufts of bristles implanted therein, wherein at least two tufts cross so as to permit at least some of the bristles in these two tufts to intermingle, wherein one of the two tufts is located adjacent a long side of the head, wherein the head includes two portions which are movable independently of each other.
A toothbrush comprising a head having at least 2 tufts of bristles which have a compound crossing angle such that one of the tufts eclipses at least a portion of the bristles of the other tuft when (a) viewed from a side of the toothbrush, and (b) viewed from an end of the toothbrush, wherein the head includes two portions which are movable independently of each other.
A toothbrush comprising a head having at least 2 bristle tufts, the head having two portions, wherein the two portions of the head define an opening therebetween, wherein each head portion includes one or more projections alternating with one or more recesses, the projections of each head portion fitting at least partially into the recesses of the other head portion, at least one of the projections being surrounded on three sides by the other head portion.
A toothbrush comprising a head having tufts of bristles implanted therein, wherein at least two tufts cross so as to permit at least some of the bristles in these two tufts to intermingle, at least some of the intermingled bristles from one of the two tufts extends past the other tuft, wherein the head includes two portions which are movable independently of each other.
Dependencies are inferred from the claim text.