Pipet with indicia of scale graduation marking location

Details Pipet with indicia of scale graduation marking location Pipet with indicia of scale graduation marking location

1995-06-16

1996-10-08

Raevis, Robert

Measuring and testing

Sampler, sample handling, etc.

Capture device

B01L 302

Patent

active

055633560

ABSTRACT:
A pipet for transferring fluids of the present invention includes a distal tip, a barrel portion with an exterior surface, and a proximal neck. The pipet has a hollow bore. There are graduation markings on the exterior surface of the barrel portion for determining a volume of a fluid contained in the pipet. The graduation markings have a longitudinal and a radial orientation about the barrel. The pipet of the invention further includes a proximal mark for indicating the radial orientation of the graduation markings on the barrel that allows an operator to mount the pipet in a pipetter with the packaging open only at the neck end of the pipet in the most favorable orientation for use.

REFERENCES:
patent: 3258972 (1966-07-01), Cassaday et al.
patent: 3651615 (1972-03-01), Bohner et al.
patent: 4877585 (1989-10-01), Perlman
patent: 5332092 (1994-07-01), Fischer
American Society for Testing and Materials (ASTM), Standard No. E934-85, Standard Specification for Serological Pipet, Disposable Plastic, pp. 806-807.

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