The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 09, 2024
Filed:
Dec. 07, 2021
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
William A Mittelstadt, Cottage Grove, MN (US);
David M. Blomberg, Lino Lakes, MN (US);
Thomas W. Holmquist-Brown, Hastings, MN (US);
Adam J. Cernohous, River Falls, WI (US);
Michael J. Cowell, Woodbury, MN (US);
Assignee:
3M innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A62B 18/10 (2006.01); A62B 18/02 (2006.01); A62B 19/00 (2006.01); A62B 18/08 (2006.01);
U.S. Cl.
CPC ...
A62B 18/10 (2013.01); A62B 18/025 (2013.01); A62B 19/00 (2013.01); A62B 18/084 (2013.01);
Abstract
A respiratory protection device that includes a valve assembly operable between an open configuration and a closed configuration. In some exemplary embodiments, the respiratory protection device includes an elastomeric seal, and a valve assembly and a breathing air source component are in sealing engagement with the elastomeric seal when the valve assembly is in the closed configuration.