Patent · US Expired

Writing instrument

USD589557S1 · kind S1 · design

18Cited by
24References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 5, 2007
Grant dateMar 31, 2009
Priority date
Expiry dateMar 31, 2023

Classification

  • Technology area (CPC —)General

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