Patent · US Active

Respiratory face mask

USD687538S1 · kind S1 · design

5Cited by
9References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 29, 2011
Grant dateAug 6, 2013
Priority date—
Expiry dateAug 6, 2027

Classification

  • Technology area (CPC —)General

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