Patent · US Expired

Air cleaner

USD438944S · kind S · design

23Cited by
2References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 13, 2000
Grant dateMar 13, 2001
Priority date
Expiry dateMar 13, 2015

Classification

  • Technology area (CPC —)General

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