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:
Mar. 14, 2000
Filed:
Mar. 18, 1998
Applicant:
Inventors:
Albert D Hawkins, Jr, Elma, NY (US);
Steven J Herberholt, St. Louis, MO (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E03B / ;
U.S. Cl.
CPC ...
137560 ; 137342 ; 13761404 ; 2851241 ; 285320 ;
Abstract
The present invention is an improved system and apparatus for providing emergency breathing air upon the failure or disconnect of a primary air source in a hostile environment. The invention comprises a compressed air source interconnected with a primary pressurized system which automatically engages when the primary air system falls below a predefined pressure range and isolates the secondary system from the primary system.