Patent · US Active

Respiratory mask having a clean air inlet chamber

US9517367B2 · kind B2 · utility

10Cited by

96References

17Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Gary E. Dwyer · Mallorytown, CA
William A. Mittelstadt · Woodbury, US
Carl W. Raines, III · Woodbury, US
Nathan A. Abel · White Bear Lake, US
David M. Blomberg · Lino Lakes, US
Michael J. Cowell · Cambridge, GB

Key dates

Filing date	Feb 1, 2013
Grant date	Dec 13, 2016
Priority date	—
Expiry date	Dec 2, 2033

Classification

Technology area (CPC A)Human Necessities
CPC primaryA62B18/025
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

A respiratory mask body defining a first chamber and a second chamber is provided. In an exemplary embodiment, the mask body includes one or more inlet ports adapted to receive one or more breathing air source components in communication with the first chamber and a fluid intake communication component allows communication of air from the first chamber to the second chamber during inhalation by a wearer.

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