US PATENT SUBCLASS 367 / 165
.~.~.~ Specific support structure

Current as of: June, 1999
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367 /   HD   COMMUNICATIONS, ELECTRICAL: ACOUSTIC WAVE SYSTEMS AND DEVICES

140  DF  SIGNAL TRANSDUCERS {4}
141  DF  .~ Underwater type {15}
157  DF  .~.~ Piezoelectric {9}
165.~.~.~ Specific support structure

DEFINITION

Classification: 367/165

Specific support structure:

(under subclass 157) Subject matter having specific means to support the piezoelectric transducer.

(1) Note. For purpose of classification in this subclass, the support structure must be more than nominally recited.

SEE OR SEARCH THIS CLASS, SUBCLASS:

173, for nonpiezoelectric transducer having similar support structure.

SEE OR SEARCH CLASS

310, Electrical Generator or Motor Structure,

348+, for supports for piezoelectric elements of general utility.