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:
Apr. 10, 1984
Filed:
Feb. 13, 1981
Applicant:
Inventor:
Fred K White, Miami, FL (US);
Assignee:
American Hospital Supply Corporation, Evanston, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01L / ;
U.S. Cl.
CPC ...
7386402 ; 128760 ;
Abstract
A collection tube and method for drawing samples of blood and other biological fluids, such tube having a tip construction effective in promoting the entry of such fluids into the tube and, where the tube is designed to fill by capillary attraction, in enhancing the rate and extent of such action. The fine-bore tube is transparent and is cylindrical in shape with its tip beveled to define an oval planar end surface, the long axis of the oval intersecting a plane normal to the longitudinal axis of the tube at an acute angle within the range of about 35.degree. to 60.degree..