US PATENT SUBCLASS 73 / 170.11
.~ With velocity determination

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

170.01  DF  FLUID FLOW DIRECTION (E.G., WIND SOCK, WEATHER VANE, ETC.) {4}
170.11.~ With velocity determination {4}
170.12  DF  .~.~> Thermal
170.13  DF  .~.~> Acoustic
170.14  DF  .~.~> Fluid pressure differential
170.15  DF  .~.~> Thrust or drag force

DEFINITION

Classification: 73/170.11

With velocity determination:

(under subclass 170.01) Subject matter including a process or an apparatus for determining the rate of flow of the fluid.

SEE OR SEARCH THIS CLASS, SUBCLASS:

170.07, for fluid flow direction determination using fluid actuated alignment combined with velocity determination means.

861+, for fluid flow determination, per se; especially, subclass 861.85 for an anemometer for measuring wind velocity.

SEE OR SEARCH CLASS

446, Amusement Devices: Toys,

53+, 119+ for a changing or moving figure or figure part which is a toy.