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:
Sep. 26, 2017
Filed:
Aug. 29, 2013
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventor:
Dean R. Duffy, Woodbury, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A41D 13/11 (2006.01); A62B 23/02 (2006.01);
U.S. Cl.
CPC ...
A41D 13/1115 (2013.01); A41D 13/11 (2013.01); A41D 13/1161 (2013.01); A62B 23/025 (2013.01); Y10T 29/49604 (2015.01);
Abstract
A filtering face-piece respiratorthat includes a harnessand a mask bodythat has a multi-layer filtering structure. The respirator includes a cushioning memberpositioned proximate the nose area of the mask body, enveloped by a layer of the filtering structure. The cushioning memberis a compressible material and may be elastic. The cushioning membercan be positioned directly opposite of a nose clip