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:
Jul. 18, 2023
Filed:
Aug. 01, 2018
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Paul J. Flannigan, Roseville, MN (US);
Johannes Hoogenraad, Plymouth, MN (US);
David P. Knivsland, North St. Paul, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A62B 18/02 (2006.01); A62B 18/08 (2006.01); A62B 18/10 (2006.01); B29C 45/14 (2006.01); A62B 23/02 (2006.01); B29C 65/48 (2006.01); B29D 99/00 (2010.01); B29C 45/16 (2006.01); B29K 83/00 (2006.01); B29L 31/48 (2006.01); B29K 81/00 (2006.01);
U.S. Cl.
CPC ...
A62B 18/025 (2013.01); A62B 18/08 (2013.01); A62B 18/084 (2013.01); A62B 18/10 (2013.01); A62B 23/025 (2013.01); B29C 45/14311 (2013.01); B29C 65/483 (2013.01); B29D 99/0053 (2013.01); B29C 45/1657 (2013.01); B29C 2045/14327 (2013.01); B29K 2081/00 (2013.01); B29K 2083/005 (2013.01); B29L 2031/4835 (2013.01); Y10T 29/4998 (2015.01);
Abstract
A respiratory protection composite facepiece is disclosed and includes a polymeric rigid facepiece body portion having a first surface and a second surface and a silicone sealing facepiece element chemically bonded at least one of the first surface or the second surface. The first and second surfaces can be opposing major surfaces. A second silicone element is chemically bonded to at least one of the first surface or the second surface. Methods of making the same are also disclosed.