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:
Apr. 05, 2005
Filed:
Sep. 23, 2002
Andrew S. Viner, Roseville, MN (US);
Audra A. Conlan, Tyne & Wear, GB;
Brian Cormack, County Durham, GB;
Malcolm R. Watson, County Durham, GB;
Christopher P. Henderson, County Durham, GB;
Desmond T. Curran, County Durham, GB;
Elfed I. Williams, Wales, GB;
Andrew S. Viner, Roseville, MN (US);
Audra A. Conlan, Tyne & Wear, GB;
Brian Cormack, County Durham, GB;
Malcolm R. Watson, County Durham, GB;
Christopher P. Henderson, County Durham, GB;
Desmond T. Curran, County Durham, GB;
Elfed I. Williams, Wales, GB;
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A filter cartridge (), suitable for attachment to a respiratory mask, has a housing that includes an air inlet (), an air outlet (), and filter material () through which air to be filtered travels through when passing from the inlet to the outlet. At least part of the housing includes a sheet material () that is thermo-formed around the sides of the filter material.