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. 20, 1994
Filed:
Sep. 15, 1993
Paul A Burgio, Shoreview, MN (US);
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Abstract
A molded, cup-shaped face mask especially useful for medical and dental personnel has a first, second and third layer. Edge portions of the layers are substantially free of adhesion to one another, and outer edges of the mask are free of any peripheral seal or the like, so that the edge portions of all three layers are movable relative to each other and present a soft, comfortable feel to the wearer. Exhalation of air through the mask is facilitated by the flexible nature of the edge portions, and during inhalation the flexible edge portions are drawn toward a position of conformed contact with the wearer's face.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile