Patent · US Expired

Set of bristles for a toothbrush

USD330286S · kind S · design

59Cited by
19References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 29, 1990
Grant dateOct 20, 1992
Priority date
Expiry dateOct 20, 2006

Classification

  • Technology area (CPC —)General

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