US PATENT SUBCLASS 73 / 864.11
.~.~.~ With suction applying and liquid discharge means

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.~.~.~ With suction applying and liquid discharge means {5}
864.12  DF  .~.~.~.~> With separate diluent supply
864.13  DF  .~.~.~.~> Piston within pipette
864.14  DF  .~.~.~.~> With particular connection or release means
864.15  DF  .~.~.~.~> With valve for connection to external pressure source
864.16  DF  .~.~.~.~> Piston and cylinder {2}

DEFINITION

Classification: 73/864.11

With suction applying and liquid discharge means:

(under subclass 864.01) Subject matter having means for controlling the pressure within the pipette to a first reduced pressure for loading the pipette and a second higher pressure to unload the pipette.

(1) Note. The higher pressure need not be greater than atmospheric pressure.