Patent · US Expired

Finger grip portion for mask elbow

USD540464S1 · kind S1 · design

19Cited by
13References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 21, 2004
Grant dateApr 10, 2007
Priority date
Expiry dateApr 10, 2021

Classification

  • Technology area (CPC —)General

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