Patent · US Active

Combination valve and buckle set for disposable respirators

USD746439S1 · kind S1 · design

11Cited by
228References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 30, 2013
Grant dateDec 29, 2015
Priority date
Expiry dateDec 29, 2029

Classification

  • Technology area (CPC —)General

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