Patent · US Expired

Writing instrument

USD575820S1 · kind S1 · design

5Cited by
25References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 19, 2007
Grant dateAug 26, 2008
Priority date
Expiry dateAug 26, 2022

Classification

  • Technology area (CPC —)General

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