US PATENT SUBCLASS 73 / 864.64
.~.~.~.~ Side opening

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}
864.51  DF  .~.~ Receptacle type {5}
864.63  DF  .~.~.~ With valve or closure {4}
864.64.~.~.~.~ Side opening

DEFINITION

Classification: 73/864.64

Side opening:

(under subclass 864.63) Subject matter wherein the receptacle comprises a tubular element and the valve includes a side

opening in the tubular element.

(1) Note. Concentric tubes having alignable openings are included here.