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:
Nov. 25, 1997
Filed:
Jul. 22, 1996
Applicant:
Inventors:
Vladimir Victorovich Abramov, Moscow, RU;
Robert M Hamilton, Brea, CA (US);
Assignee:
Life Support Technologies, Inc., Pensacola, FL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
12820226 ; 12820512 ;
Abstract
A canister containing one or more working compounds formed of a peroxide and/or superoxide of one or more metals of the alkali and alkaline-earth metal groups such as KO.sub.2 and CaO.sub.2 and a moisture releasing material such as wetted activated charcoal is utilized to replenish the oxygen and absorb the carbon dioxide in exhaled air. The canister may be used in a closed or semi-closed circuit breathing system worm by a user such as a fireman, miner etc.