US PATENT SUBCLASS 340 / 671
.~.~.~ Angular

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

500  DF  CONDITION RESPONSIVE INDICATING SYSTEM {6}
540  DF  .~ Specific condition {18}
670  DF  .~.~ Velocity {1}
671.~.~.~ Angular {1}
672  DF  .~.~.~.~> Direction of shaft rotation

DEFINITION

Classification: 340/671

Angular:

(under subclass 670) Subject matter where the velocity is angular.

SEE OR SEARCH CLASS

246, Railway Switches and Signals,

168.1, for wheel slip indicators for rail locomotives.