US PATENT SUBCLASS 73 / 863.58
.~.~.~ Pitot tube type

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

863  DF  SAMPLER, SAMPLE HANDLING, ETC. {11}
863.41  DF  .~ Flow divider, deflector, or interceptor {4}
863.51  DF  .~.~ Having an upstream-facing-opening-type capture element {6}
863.58.~.~.~ Pitot tube type

DEFINITION

Classification: 73/863.58

Pitot tube type:

(under subclass 863.51) Subject matter wherein the capture element is in the form of the end of a conduit facing substantially upstream toward the direction of origin of the source.

(1) Note. The sample enters the conduit and the residue flows past its exterior.