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. 28, 2020
Filed:
Sep. 08, 2016
Applicant:
Avon Protection Systems, Inc., Cadillac, MI (US);
Inventor:
Harry Xia Zhong, Baltimore, MD (US);
Assignee:
AVON PROTECTION SYSTEMS, INC., Cadillac, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A62B 9/02 (2006.01); A62B 18/00 (2006.01); A62B 18/08 (2006.01); A62B 7/04 (2006.01); A62B 7/10 (2006.01); A62B 9/00 (2006.01);
U.S. Cl.
CPC ...
A62B 9/02 (2013.01); A62B 7/04 (2013.01); A62B 7/10 (2013.01); A62B 9/006 (2013.01); A62B 18/006 (2013.01); A62B 18/08 (2013.01);
Abstract
An air delivery hose () has a CBRN resistant outer butyl rubber layer () convolute over a metal wire reinforced thermoplastic polyurethane inner hose (). A combination unit respirator () has an air delivery hose (') with a proximal end () with a three position lockable switch () that allows selection of APR, PAPR or SCBA modes, and a distal end () with a compact demand valve () responsive to the switch position. A filter cover accessory () is a modular accessory to a PAPR manifold that protects a PAPR filter () from premature degradation in harsh environments.