US PATENT SUBCLASS 73 / 864.18
.~.~.~.~.~ Plural or adjustable limit stops

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}
864.16  DF  .~.~.~.~ Piston and cylinder {2}
864.18.~.~.~.~.~ Plural or adjustable limit stops

DEFINITION

Classification: 73/864.18

Plural or adjustable limit stops:

(under subclass 864.16) Subject matter including means for changing the stroke of the piston with respect to the cylinder so that the change of size of the expansible chamber can be varied.