Cannula for withdrawing a test sample from a test tube

Cannula for withdrawing a test sample from a test tube
D310569

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Patent D310569
Priority Feb 09 1987
Filed Aug 10 1987
Issued Sep 11 1990
Expiry Sep 11 2004
Inventors Broden, Be…
Assg.orig
Assg.curr
Entity unknown
Referenced by 4
References 4
Maint.: n/a

The ornamental design for a cannula for withdrawing a test sample from a test tube, as shown and described.

FIG. 1 is a top, left side perspective view of a cannula for withdrawing a test sample from a test tube, showing my new design, the cannula being generally symmetrical about its axis; and

FIG. 2 is a rear, bottom left side perspective view thereof.

INVENTORS:

Broden, Bengt-Inge

THIS PATENT IS REFERENCED BY THESE PATENTS:

Patent	Priority	Assignee	Title
5869158,	Dec 14 1992	Porex Technologies Corp.	Safety sampler
D743046,	Oct 12 2009		Fecal sample collection device
D782619,	Sep 17 2014	EPPENDORF SE	Flange for a pipette adapter
D805651,	Dec 12 2013	EPPENDORF SE	Flange for a pipette adapter

THIS PATENT REFERENCES THESE PATENTS:

Patent	Priority	Assignee	Title
4368738,	Apr 05 1980	BIONIC GESELLSCHAFT FUR ANGEWANDET, MEDIZINTECHINK MBH + CO KG	Cannula
4653512,	Jun 11 1985	Becton, Dickinson and Company	Blood collection assembly
4690153,	Nov 29 1985	Becton, Dickinson and Company	Flow inducing means for small volume containers
4692156,	Dec 06 1985		Disposable syringe with retractable cannula

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