Back to results
US 5,396,678 AGranted
Toothbrush with rectangular bristles
AssigneeThe Gillette Company
InventorsWilliam A. Bredall, Miklos M. Breuer, Ximena A. Gavino, Christopher Loew, Jeffrey S. Meessmann, Douglas J. McDowell, Alberto B. Sabato, Jean L. Spencer, James D. Vidra, Stanley Wreford
Life of this patent
Estimating the term…
Abstract
The present invention relates to a toothbrush which exhibits improved tooth and gum cleaning. The toothbrush includes an elongated handle member connected to a toothbrush head member. A multiplicity of bristles extend from the head member; these bristles being comprised of at least two general directional orientations of bristles having a generally rectangular cross-section.
Claims8
A toothbrush exhibiting improved tooth and gum cleaning comprising:
- (a) an elongated handle member having a central axis with a proximal end and a distal end;
- (b) a head member connected to the distal end of the handle member, and
- (c) a multiplicity of bristles affixed to said head member in the form of a plurality of tufts,
- wherein each of said bristles have a substantially constant cross-section which is a parallelogram with angles which have one side, the length, longer than another side, the width, and wherein the majority of the bristles in a given tuft are directionally oriented such that the length side of said bristle cross section forms an angle relative to said central axis of said handle, and wherein tufts having at least two different directional orientations of bristles are utilized.
1 more element
Dependencies are inferred from the claim text.