Patent · US Expired

Writing instrument

USD557742S1 · kind S1 · design

10Cited by
9References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 19, 2006
Grant dateDec 18, 2007
Priority date
Expiry dateDec 18, 2021

Classification

  • Technology area (CPC —)General

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