US PATENT SUBCLASS 310 / 330
.~.~.~ Bending type

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}
328  DF  .~.~ With mechanical energy coupling means {6}
330.~.~.~ Bending type {1}
331  DF  .~.~.~.~> Plural elements {1}

DEFINITION

Classification: 310/330

Bending type:

(under subclass 328) Subject matter wherein the mechanical stresses applied to or produced within the piezoelectric element include a coplanar pair of oppositely directed moments of mechanical force.