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:
Dec. 21, 1993
Filed:
Mar. 16, 1992
Applicant:
Inventors:
Robert E Gray, Glen Mills, PA (US);
Robert M Armstrong, Clifton Heights, PA (US);
Walter J Lybrand, Drexel Hill, PA (US);
Assignee:
Cairns & Brother Inc., Clifton, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A62B / ; A62B / ;
U.S. Cl.
CPC ...
12820712 ; 12820524 ; 12820227 ; 12820621 ;
Abstract
A self-contained breathing assembly of the positive pressure type including a remotely positioned improved pressure demand regulator for substantially instantaneous response for breathing air having reduced operating parts substantially reducing potential breakdown and wherein there is provided a gas flow disconnect assembly between the user facepiece and gas conduits.