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:
May. 01, 2018
Filed:
Jan. 12, 2015
Applicant:
Bertil R. L. Werjefelt, Kaneohe, HI (US);
Inventor:
Bertil R. L. Werjefelt, Kaneohe, HI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A62B 7/14 (2006.01); A62B 19/00 (2006.01); A62B 18/02 (2006.01);
U.S. Cl.
CPC ...
A62B 19/00 (2013.01); A62B 7/14 (2013.01); A62B 18/02 (2013.01);
Abstract
An oxygen supply system for a station operator includes an oxygen cylinder; a mask operably connected to the oxygen cylinder; a pouch operably connected to the mask; carbon dioxide scrubber disposed inside the pouch; first one-way valve operably connected between the mask and the pouch for allowing one-way flow of gases exhaled by the operator from the mask to the pouch; and second one-way valve operably connected between the mask and the pouch for allowing one-way flow of gases from the pouch to the operator.