Patent · US Expired

Room air purifier device

USD462754S1 · kind S1 · design

33Cited by
1References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 13, 1999
Grant dateSep 10, 2002
Priority date
Expiry dateSep 10, 2016

Classification

  • Technology area (CPC —)General

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