Patent · US Expired

Flow based incentive spirometer

USD450124S · kind S · design

3Cited by
2References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 18, 2001
Grant dateNov 6, 2001
Priority date—
Expiry dateNov 6, 2015

Classification

  • Technology area (CPC —)General

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