Patent · US Active

Head for an oral care implement

US11641932B2 · kind B2 · utility

1Cited by

16References

20Claims

0Family size

Assignee

The Braun Corporation · DE

Inventors

Uwe Jungnickel · Königstein, DE
Marlis Hübner · Bad Soden, DE
Kathi Ballmaier · Usingen, DE
Soeren Wasow · Langenselbold, DE
Fiona Harrington · Bad Soden, DE

Key dates

Filing date	Jun 24, 2020
Grant date	May 9, 2023
Priority date	—
Expiry date	Jun 24, 2040

Classification

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

Abstract

A head for an oral care implement comprises a mounting surface and at least one tuft extending from the mounting surface. The tuft comprises a first group of filaments and at least a second group of filaments. The first group of filaments is surrounded by the second group of filaments. The filaments of the first group have a first length and the filaments of the second group have a second length, the first length being different from the second length. The difference in length between the first length and the second length is about 1.1 mm to about 1.9 mm.

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