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:
Jan. 29, 2019
Filed:
Jan. 14, 2016
Applicant:
Paftec Technologies Pty Ltd, Artarmon, AU;
Inventors:
Alexander Virr, Balmain, AU;
Xiaoyi Fu, Epping, AU;
Dan Kao, Northbridge, AU;
John Michael Snow, Killarney Heights, AU;
Damian Charles Johnson, Fairlight, AU;
Assignee:
Cleanspace IP Pty Ltd, Artarmon, AU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A62B 23/02 (2006.01); A62B 18/00 (2006.01); A62B 18/02 (2006.01); A62B 18/04 (2006.01); B01D 46/00 (2006.01); A62B 18/08 (2006.01);
U.S. Cl.
CPC ...
A62B 23/025 (2013.01); A62B 18/006 (2013.01); A62B 18/025 (2013.01); A62B 18/084 (2013.01); A62B 23/02 (2013.01); B01D 46/0005 (2013.01); B01D 46/009 (2013.01); B01D 46/0095 (2013.01); B01D 2279/40 (2013.01);
Abstract
A filter assembly for a breathing apparatus, such as a powered air purifying respirator. The filter assembly includes a frame for receiving and retaining a filter element, a cover connected to the frame and dimensioned to cover the aperture, a filter element, and an indicator for indicating when the filter element is retained in the filter frame and the cover is arranged across the aperture. A powered breathing apparatus including the filter assembly is also disclosed.