Patent · US Expired

Writing instrument

USD591352S1 · kind S1 · design

32Cited by
35References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 29, 2008
Grant dateApr 28, 2009
Priority date
Expiry dateApr 28, 2023

Classification

  • Technology area (CPC —)General

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