US PATENT SUBCLASS 73 / 864.02
.~.~.~ Self-filling of self-limiting

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}
864.02.~.~.~ Self-filling of self-limiting

DEFINITION

Classification: 73/864.02

Self-filling or self-limiting:

(under subclass 864.01) Subject matter comprising a tube of such size or material that liquid will be drawn thereinto without application of a suction thereto or which tends to stop filling at a predetermined point.

(1) Note. The disclosure of such a relationship will be sufficient for placement here.

SEE OR SEARCH THIS CLASS, SUBCLASS:

864.72, for a capture element comprising a body having pores in interstices into which liquid is drawn or held by capillary attraction.