Patent · US Expired

Respirator head harness

USD638929S1 · kind S1 · design

2Cited by
14References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 23, 2007
Grant dateMay 31, 2011
Priority date
Expiry dateMay 31, 2025

Classification

  • Technology area (CPC —)General

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