Patent · US Expired

Pencil sharpener

USD402314S · kind S · design

15Cited by
34References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 27, 1997
Grant dateDec 8, 1998
Priority date
Expiry dateDec 8, 2012

Classification

  • Technology area (CPC —)General

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