Patent · US Expired

Knife sharpener

USD299614S · kind S · design

12Cited by
17References
1Claims
0Family size

Inventor

Key dates

Filing dateOct 13, 1987
Grant dateJan 31, 1989
Priority date
Expiry dateJan 31, 2003

Classification

  • Technology area (CPC —)General

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