Patent · US Expired

Pen

USD422023S · kind S · design

12Cited by
5References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 13, 1999
Grant dateMar 28, 2000
Priority date
Expiry dateMar 28, 2014

Classification

  • Technology area (CPC —)General

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