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:
May. 17, 1988
Filed:
Mar. 03, 1986
Applicant:
Inventor:
Eugene C Greenwood, Richmond, VA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
12820426 ;
Abstract
Provided herein is a demand breathing device including a motion sensitive sensor which sends signals corresponding to torso movement to a controller incorporating electronic differentiation to indicate the direction of torso movement corresponding to the expansion and retraction of inhalation and exhalation, respectively, and to energize a solenoid valve which interrupts oxygen flow during exhalation.