Patent · US Active

Method for producing a toothbrush having an inner cavity

US9463593B2 · kind B2 · utility

1Cited by

25References

8Claims

0Family size

Assignee

The Procter & Gamble Company · US

Inventors

Ulrich Pfeifer · Kirchberg, DE
Matthew Lloyd Newman · Mason, US
Li Wen · Mason, US
Andreas Birk · Bad Homburg vor der Höhe, DE
Andreas Bresselschmidt · Weiterstadt, DE
Andrew Joseph Horton · Middletown, US
Siegfried Kurt Martin Hustedt · Kronberg, DE
Jochen Kawerau · Kronberg, DE
Heidrun Schmelcher · Oberursel, DE
Franziska Schmid · Frankfurt, DE
Jens Stoerkel · Kronberg, DE
Benjamin John Wilson · Mainz, DE
Tilmann Winkler · Kronberg, DE

Key dates

Filing date	Nov 21, 2012
Grant date	Oct 11, 2016
Priority date	—
Expiry date	Jul 19, 2034

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29L2031/425
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

Methods of producing toothbrush handles having an inner cavity are provided.

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