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:
Sep. 17, 2013
Filed:
Mar. 02, 2009
Thomas J. Brace, St. Paul, MN (US);
Alex Davies, Austin, TX (US);
Alan J. Solyntjes, Edina, MN (US);
Thomas J. Brace, St. Paul, MN (US);
Alex Davies, Austin, TX (US);
Alan J. Solyntjes, Edina, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A headgear article includes a head covering member that has an opening formed therein. A panel is disposed over the opening and is removably attached to the head covering member. A respirator system is also disclosed that includes the headgear article and further including a visor and defining an interior zone. The respirator system also includes a clean air supply system having an inlet configured for connection to a source of clean air and an outlet disposed within the interior zone.