Patent · US Active

Toothbrush bristle arrangement

US9655435B2 · kind B2 · utility

25Cited by

5References

18Claims

0Family size

Assignee

GlaxoSmithKline Consumer Healthcare GmbH and Co. KG · DE

Inventors

Hans Kraemer · Marburg, DE
Claudia Dahlkoetter · Laufenburg (Baden), DE

Key dates

Filing date	Dec 11, 2009
Grant date	May 23, 2017
Priority date	—
Expiry date	Feb 20, 2033

Classification

Technology area (CPC A)Human Necessities
CPC primaryA46B2200/1066
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

A toothbrush head with bristles comprising tapered and non-tapered bristles, in which the non-tapered bristles extend to two different lengths from the face, being a first greater length LN1 and a second shorter length LN2. In a preferred embodiment non-tapered bristles are combined with tapered bristles in tufts which are inclined in opposite directions away from and towards the grip handle.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.