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:
Feb. 26, 2007
Filed:
Feb. 24, 1998
Gregory Yuschak, Hudson, WI (US);
Peter O. Rekow, Woodbury, MN (US);
Thomas W. Holmquist-brown, St. Paul, MN (US);
Gregory Yuschak, Hudson, WI (US);
Peter O. Rekow, Woodbury, MN (US);
Thomas W. Holmquist-Brown, St. Paul, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A respirator () that includes a face piece () and a cartridge receiving structure () located on the face piece (). The face piece () is sized to fit snugly over the nose and mouth of a person, and the filter cartridge () is capable of being manually snapped into engagement with the cartridge receiving structure (). The snap-fit can be instantaneously obtained without rotational movement of the filter cartridge (), simply by pressing the filter cartridge () against the receiving structure ().