Patent · US Expired

Electronic calculator

USD580478S1 · kind S1 · design

23Cited by
5References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 15, 2008
Grant dateNov 11, 2008
Priority date
Expiry dateNov 11, 2022

Classification

  • Technology area (CPC —)General

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