US PATENT SUBCLASS 310 / 342
.~.~.~ For plural piezoelectric elements


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}
341  DF  .~.~ With temperature modifier and/or gas or vapor atmosphere control {3}
342.~.~.~ For plural piezoelectric elements


DEFINITION

Classification: 310/342

For plural piezoelectric elements:

(under subclass 341) Subject matter which includes more than one piezoelectric element.