Patent · US Expired

Knife sharpener

USD326989S · kind S · design

10Cited by
7References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 30, 1989
Grant dateJun 16, 1992
Priority date
Expiry dateJun 16, 2006

Classification

  • Technology area (CPC —)General

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