Patent · US Active

Nasal mask

USD881381S1 · kind S1 · design

1Cited by
16References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 11, 2019
Grant dateApr 14, 2020
Priority date
Expiry dateApr 14, 2035

Classification

  • Technology area (CPC —)General

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