US PATENT SUBCLASS 73 / 186
.~.~ Vane type

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

178 R  DF  NAVIGATION {5}
181  DF  .~ Ship's log {4}
186.~.~ Vane type

DEFINITION

Classification: 73/186

(under subclass 181) Logs wherein the speed is determined by measuring the movement of a pivoted or sliding flap or vane placed in and moved by the fluid medium.

SEE OR SEARCH THIS CLASS, SUBCLASS:

184+, for drag type logs.

861.74+, for vane type flow meters of general application.