Patent · US Expired

Writing instrument

USD500520S1 · kind S1 · design

15Cited by
20References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 16, 2003
Grant dateJan 4, 2005
Priority date
Expiry dateJan 4, 2019

Classification

  • Technology area (CPC —)General

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