Patent · US Expired

Abrasive sharpener

USD640116S1 · kind S1 · design

16Cited by
29References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 28, 2010
Grant dateJun 21, 2011
Priority date
Expiry dateJun 21, 2025

Classification

  • Technology area (CPC —)General

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