Patent ID: 9566579
Date: 2017-02-14
CPC Classifications: B01L

Claim:
1. A serological pipet for use with liquid handling comprising: a tip; a mounting portion comprising at least first and second wall sections with substantially circular cross-sections, wherein the first wall section is farther away from the tip than the second wall section, the first and second wall sections are separated by a step or chamfer and configured to fit into a pipet controller holder, and wherein the mounting portion includes a porous filter; and a tubular shaft with permanently marked volume indicating graduation marks, wherein the tubular shaft connects the tip and the mounting portion, wherein the first and second wall sections have different diameters and are separated by the step or chamfer whereby the first wall section and the second wall section inscribe a cone having an angle of 11 degrees plus or minus 5 degrees, the cone having an apex pointing in a direction opposite the tip.