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. 03, 1981
Filed:
Aug. 07, 1978
Applicant:
Inventor:
Loyal G Netteland, Holland, NY (US);
Assignee:
A-T-O Inc., Willoughby, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
12820426 ;
Abstract
A breathing apparatus having an exhaust valve and a diaphragm actuated inlet valve, wherein the exhaust valve includes a sealing surface against which the diaphragm normally is sealingly engaged to close the opening and from which the diaphragm is disengaged upon exhalation to open the exhaust valve.