Patent · US Expired

Crimped bristle toothbrush

US6058541A · kind A · utility

118Cited by

17References

62Claims

0Family size

Assignee

Gillett Canada Company · CA

Inventors

Thomas Craig Masterman · Brookline, US
Jeffrey S. Meessmann · Iowa City, US
Jean L. Spencer · Boston, US
Georges Driesen · Neu-Anspach, DE
Armin Schwarz-Hartmann · Wendelsheim, DE
Peter Hilfinger · Bad Homburg vor der Höhe, DE

Key dates

Filing date	Jul 1, 1997
Grant date	May 9, 2000
Priority date	—
Expiry date	Jul 1, 2017

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S15/05
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An improved oral brush is provided that includes crimped bristles. The oral brush includes a body and, extending from the body, a plurality of crimped bristles. One such oral brush is an electric toothbrush, with a brush head having a preferred arrangement of tufts of crimped and straight bristles that are flexed by cyclic motions of the brush head toward and away from the tooth.

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