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. 13, 2000

Filed:

Apr. 28, 1998
Applicant:
Inventor:

Robert W Flesher, Baltimore, MD (US);

Assignee:

Apogee Designs, Ltd., Baltimore, MD (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01L / ;
U.S. Cl.
CPC ...
422100 ; 7386332 ; 7386411 ; 222137 ;
Abstract

A pipettor operable by a lateral pushing movement of a thumb of a user. The pipettor includes an ergonomically designed non-tubular body that has an operating surface and a supporting surface. The body of the pipettor is configured to be grasped between the thumb placed on the operating surface and at least one finger placed on the supporting surface in an opposing manner. The pipettor includes one or more fluid pick-up means disposed in the body of the pipettor for drawing a calibrated volume of fluid into the pipette tip. The fluid pick-up means is operable by the lateral pushing movement of the thumb against the operating surface of the body of the pipettor. Dispensing means is provided for dispensing the calibrated volume of fluid from the pipette tip. The dispensing means is operable by the lateral pushing movement of the thumb against the operating surface. A tip holder is coupled to the body and is configured to mate with a pipette tip. Ejecting means for ejecting the pipette tip from the tip holder is disposed in the body of the pipettor. A pipetting apparatus is also disclosed that provides for simultaneously performing multiple pipetting operations.


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