US PATENT SUBCLASS 73 / 637
.~.~.~.~.~.~ Around cylindrical object


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  DF  .~.~.~.~.~ Rolling contact {4}
637.~.~.~.~.~.~ Around cylindrical object


DEFINITION

Classification: 73/637

Around cylindrical object:

(under subclass 635) Subject matter wherein relative movement of the transducer around a cylindrical test body is provided.

(1) Note. Scanning around a cylindrical test body but without rolling contact is also in this class, subclass 640.