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. 28, 1992
Filed:
Apr. 04, 1991
Michael W Schuette, Vienna, VA (US);
Life Technologies, Inc., Gaithersburg, MD (US);
Abstract
An apparatus for filtering multiple biological samples using a filter membrane is disclosed. The apparatus comprises a well plate having at least one well adapted to contain the sample media. The apparatus further comprises a vacuum-clamping feature for placing the filter membrane in sealable contact with at least one well of the well plate. The apparatus further comprises a vacuum sampling feature for drawing the sample media contained in the at least one well into contact with the filter membrane. The apparatus further comprises a first vacuum chamber for providing vacuum to the vacuum sampling feature. The first vacuum chamber is an integral part of the apparatus. The apparatus further comprises a second vacuum chamber for providing vacuum to the vacuum clamping feature. The second vacuum chamber is also an integral part of the apparatus.