Patent · US Active

Air purifiers

USD933797S1 · kind S1 · design

25Cited by
35References
1Claims
0Family size

Inventors

Key dates

Filing dateFeb 1, 2019
Grant dateOct 19, 2021
Priority date
Expiry dateOct 19, 2036

Classification

  • Technology area (CPC —)General

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