US PATENT SUBCLASS 73 / 864.13
.~.~.~.~ Piston within pipette

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

863  DF  SAMPLER, SAMPLE HANDLING, ETC. {11}
864  DF  .~ Capture device {9}
864.01  DF  .~.~ Pipette or cannula {7}
864.11  DF  .~.~.~ With suction applying and liquid discharge means {5}
864.13.~.~.~.~ Piston within pipette

DEFINITION

Classification: 73/864.13

Piston within pipette:

(under subclass 864.11) Subject matter wherein the pressure-controlling means is a plunger contacting the interior walls of the tube.

SEE OR SEARCH THIS CLASS, SUBCLASS:

864.16, for similar subject matter wherein the piston is within a cylinder which is separate from the pipette.