Patent · US Expired

Cushion for respiratory mask

USD494675S1 · kind S1 · design

36Cited by
13References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 8, 2002
Grant dateAug 17, 2004
Priority date
Expiry dateAug 17, 2018

Classification

  • Technology area (CPC —)General

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