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. 19, 2025
Filed:
Jan. 28, 2022
Applicant:
Moldex-metric, Inc., Culver City, CA (US);
Inventors:
Mark Magidson, Los Angeles, CA (US);
Sukwon Kang, Torrance, CA (US);
Assignee:
Moldex-Metric, Inc., Culver City, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A62B 9/02 (2006.01); A62B 7/00 (2006.01); A62B 7/10 (2006.01); A62B 9/04 (2006.01);
U.S. Cl.
CPC ...
A62B 9/02 (2013.01); A62B 7/10 (2013.01); A62B 9/04 (2013.01);
Abstract
In some examples, a dual mode respirator comprises a face piece; an inhalation port; an exhalation port; and a port closure movable to close the exhalation port and switch the dual mode respirator from a source control mode to a free exhalation mode of the dual mode respirator.