Patent · US Expired

Motorized eraser

USD420048S · kind S · design

8Cited by
7References
1Claims
0Family size

Inventors

Key dates

Filing dateMar 4, 1999
Grant dateFeb 1, 2000
Priority date
Expiry dateFeb 1, 2014

Classification

  • Technology area (CPC —)General

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