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. 06, 2021
Filed:
Sep. 09, 2020
Michael D. Greenway, Ii, Dewey, AZ (US);
Brian J. Fortier, Glen Allen, VA (US);
David Thornhill, Salem, VA (US);
William T. Bailey, Glen Allen, VA (US);
Michael D. Greenway, II, Dewey, AZ (US);
Brian J. Fortier, Glen Allen, VA (US);
David Thornhill, Salem, VA (US);
William T. Bailey, Glen Allen, VA (US);
Other;
Abstract
An improved protective face mask used to filter out hazardous pollution and airborne germs and viruses. Embodiments include a three layer version including a first spunbond TETHYS SHIELD treated layer, a meltblown filtration layer, and a second spunbond layer; a four layer version further including a gasket layer formed of a felt material; and a five layer version further including an activated carbon layer in between the spunbond TETHYS SHIELD treated layer and the meltblown filtration layer.