Patent · US Expired

Ring-type cooling fan

USD446295S · kind S · design

33Cited by
9References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 21, 2000
Grant dateAug 7, 2001
Priority date
Expiry dateAug 7, 2015

Classification

  • Technology area (CPC —)General

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