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:
Aug. 27, 2019
Filed:
Nov. 22, 2016
3m Innovative Properties Company, St. Paul, MN (US);
David M. Blomberg, Lino Lakes, MN (US);
Michael J. Cowell, Woodbury, MN (US);
William A. Mittelstadt, Cottage Grove, MN (US);
Carl W. Raines, III, Woodbury, MN (US);
Nathan A. Abel, Minneapolis, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A respirator apparatus includes a respirator body, a filter cartridge receiver integral with and extending from the respirator body, and a filter cartridge. The filter cartridge includes a nozzle element being integral with the filter cartridge. The respirator body and filter cartridge are configured to be fluidically coupled through sleeve-fit engagement between the filter cartridge receiver and nozzle element and the filter cartridge receiver and nozzle element define an airflow channel.