US PATENT SUBCLASS 310 / 323.18
.~.~.~.~ Device performs work on an object (e.g., welding, cutting)

Current as of: June, 1999
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310 /   HD   ELECTRICAL GENERATOR OR MOTOR STRUCTURE

300  DF  NON-DYNAMOELECTRIC {4}
311  DF  .~ Piezoelectric elements and devices {17}
321  DF  .~.~ Combined with resonant structure {4}
323.01  DF  .~.~.~ Direct mechanical coupling {5}
323.18.~.~.~.~ Device performs work on an object (e.g., welding, cutting)

DEFINITION

Classification: 310/323.18

Device performs work on an object (e.g., welding, cutting):

(under subclass 323.01) Subject matter wherein the piezoelectric element applies an oscillating force to a body for moving the body a distance.