Patent · US Expired

Toothbrush spontaneously taking up stable equilibrium position on a horizontal support

US7007335B1 · kind B1 · utility

10Cited by
14References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 16, 2000
Grant dateMar 7, 2006
Priority date
Expiry dateFeb 16, 2020

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S248/91
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

The invention concerns a toothbrush (2), elongated in shape, comprising bristles (9), and arranged to have on a horizontal flat support (30) at least a stable equilibrium position wherein the longitudinal direction of the toothbrush is substantially parallel to the support and the bristles (9) extending at some distance from the support and towards the support. Said position(s) of stable equilibrium is/are the only position(s) of stable equilibrium of the toothbrush on the support.

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