Patent · US Expired

Cartridge and refill of air treatment device

USD547431S1 · kind S1 · design

4Cited by
10References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 12, 2004
Grant dateJul 24, 2007
Priority date
Expiry dateJul 24, 2021

Classification

  • Technology area (CPC —)General

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