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. 29, 2025
Filed:
Jul. 02, 2021
3m Innovative Properties Company, St. Paul, MN (US);
Dean R. Duffy, Woodbury, MN (US);
Scott A. Spoo, Deer Park, WI (US);
Thomas I. Insley, Lake Elmo, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A flat-fold, filtering, face-piece respirator that has a harness, a mask body, and first and second flanges. The mask body is capable of being folded flat for storage and can be opened into a cup-shaped configuration for use. The mask body has a filtering structure and has the first and second flanges disposed on first and second mask body sides. The first and second flanges project both laterally x and frontally y from the mask body. The provision of the flanges on each side of the respirator is beneficial to ease of mask donning, doffing, and adjustment, and to face fit and maintaining the open shape or configuration of the mask body.