US PATENT SUBCLASS 310 / 323.11
.~.~.~.~.~.~ Specific material or composition

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}
323.02  DF  .~.~.~.~ Motor producing continual motion {3}
323.03  DF  .~.~.~.~.~ Traveling wave motor {3}
323.11.~.~.~.~.~.~ Specific material or composition

DEFINITION

Classification: 310/323.11

Specific material or composition:

(under subclass 323.03) Subject matter wherein wherein significance is attributed to a specific substance or compound used to construct the traveling wave motor.

SEE OR SEARCH CLASS

252, Compositions,

62.9, for compositions specialized and designed for use as piezoelectric materials and processes of making said compositions.