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. 25, 2001
Filed:
Jun. 02, 1999
Face masks having an elastic and polyolefin thermoplastic band attached thereto by heat and pressure
Applicant:
Inventors:
Jianxian Xue, Maplewood, MN (US);
Daniel C. Casar, New Brighton, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A62B 1/808 ;
U.S. Cl.
CPC ...
A62B 1/808 ;
Abstract
A filtration face mask,that comprises a mask body,and a band,. The mask body is adapted to cover the nose and mouth of a wearer and that comprises polyolefin containing fibers. The band,comprises an elastic constituent and a fibrous thermoplastic constituent. The fibrous thermoplastic constituent has a melting point of about 250° C. or less and is a polyolefin or a substituted polyolefin. The band is attached to the mask body by heat and pressure at securement points
Xue, Jianxian. (2001). Face masks having an elastic and polyolefin thermoplastic band attached thereto by heat and pressure (U.S. Patent No. 6332465). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6332465
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile