US PATENT SUBCLASS 73 / 635
.~.~.~.~.~ Rolling contact

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

570  DF  VIBRATION {10}
584  DF  .~ By mechanical waves {13}
596  DF  .~.~ Beamed {10}
632  DF  .~.~.~ Sonic wave transmitter or receiver transducer {4}
633  DF  .~.~.~.~ Having transducer scanning means {4}
635.~.~.~.~.~ Rolling contact {4}
636  DF  .~.~.~.~.~.~> On railroad rails
637  DF  .~.~.~.~.~.~> Around cylindrical object
638  DF  .~.~.~.~.~.~> Along cylindrical object
639  DF  .~.~.~.~.~.~> Transducer forms wheel or is within a wheel

DEFINITION

Classification: 73/635

Rolling contact:

(under subclass 633) Subject matter wherein the relative movement involves rolling contact by wheel means between the transducer or transducer support and the test body.