Patent · US Expired

Battery operated pencil sharpener

USD390264S · kind S · design

25Cited by
6References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 13, 1997
Grant dateFeb 3, 1998
Priority date
Expiry dateFeb 3, 2012

Classification

  • Technology area (CPC —)General

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