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. 06, 1990
Filed:
Jan. 17, 1989
Applicant:
Inventors:
Paul Bieganski, Minneapolis, MN (US);
Timothy E Schweikert, Coon Rapids, MN (US);
Assignee:
Advanced Medical Systems, Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
128725 ; 7386152 ;
Abstract
A disposable tubular pneumotachometer in which the air-resistive material covering over the air outlet is a fabric with multiple sub-miniature tubular apertures to provide capillary air flow and, in the preferred form, has a uniformly diverging air outlet formed by air outlet openings through the wall of the pneumotachometer tube and an imperforate proportionally tapered air-diverging surface facing the air outlet openings.