Patent · US Expired

Coffee filter device

USD341992S · kind S · design

20Cited by
8References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 30, 1992
Grant dateDec 7, 1993
Priority date
Expiry dateDec 7, 2007

Classification

  • Technology area (CPC —)General

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