Patent · US Expired

Bristle head for a toothbrush

USD448171S · kind S · design

29Cited by
8References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 20, 2000
Grant dateSep 25, 2001
Priority date—
Expiry dateSep 25, 2015

Classification

  • Technology area (CPC —)General

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