Patent · US Active

Air filtration system

USD906503S1 · kind S1 · design

2Cited by
19References
1Claims
0Family size

Inventor

Key dates

Filing dateMay 21, 2019
Grant dateDec 29, 2020
Priority date
Expiry dateDec 29, 2035

Classification

  • Technology area (CPC —)General

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