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.

Date of Patent:
Jun. 10, 2008

Filed:

Sep. 23, 2004
Applicant:

Mark J. Feldstein, Washington, DC (US);

Inventor:

Mark J. Feldstein, Washington, DC (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01L 3/02 (2006.01); B01L 11/00 (2006.01); B01L 3/00 (2006.01); G01N 1/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides a fluidics system and a method for selectively drawing fluid from at least one selected reservoir into a channel by providing a negative pressure source downstream of the fluid and channel and selectively back filling the selected reservoir with a gas.


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