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. 19, 1991
Filed:
Oct. 03, 1989
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 / ;
U.S. Cl.
CPC ...
12820524 ; 12820712 ;
Abstract
There is diclosed 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 face mask and gas flow conduits.
Gray, Robert. (1991). Positive pressure breathing assembly and demand regulator therefor (U.S. Patent No. 5000174). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5000174
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile