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:
Jul. 31, 1990
Filed:
Oct. 11, 1989
Applicant:
Inventor:
Frank J Alvino, North Caldwell, NJ (US);
Assignee:
Healthscan, Inc., , NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
128725 ;
Abstract
An improved spirometer to indicate peak flow expiration from a patient, as well as to enhance pulmonary monitoring. Perpendicular to the standard mouthpiece is a chamber with a centrally positioned rod guiding a spring biased piston, responsive to expiration-induced air flow from the patient.