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:
Dec. 15, 2020
Filed:
Dec. 03, 2015
3m Innovative Properties Company, St. Paul, MN (US);
Reyad A. Abdulqader, Stockton-On-Tees, GB;
James J. May, Kenilworth, GB;
Mark A. J. Fernandes, Leamington Spa, GB;
Daniel P. Jenkins, St. Albans, GB;
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Various embodiments of a personal respiratory protection device () are disclosed. The personal respiratory protection device () includes an upper panel (), a central panel (), and a lower panel (), the central panel () being separated from each of the upper and lower panels () by a first and second fold (), seam, weld () or bond, respectively, such that the device is capable of being folded flat for storage along the first and second fold (), seam, weld () or bond and opened to form a cup-shaped air chamber over the nose and mouth of the wearer when in use. The lower panel () includes a stiffening sheet () that has a longitudinal crease line, where the stiffening sheet () is folded about the longitudinal crease line when the device is in use.