US PATENT SUBCLASS 367 / 188
.~.~ Casing or housing

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

140  DF  SIGNAL TRANSDUCERS {4}
178  DF  .~ Receivers {6}
188.~.~ Casing or housing

DEFINITION

Classification: 367/188

Casing or housing:

(under subclass 178) Subject matter provided with enclosure means to separate the transducer from its environment.