Patent · US Expired

Combined filter element and frame therefor

USD425189S · kind S · design

250Cited by
11References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 6, 1998
Grant dateMay 16, 2000
Priority date
Expiry dateMay 16, 2014

Classification

  • Technology area (CPC —)General

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