US PATENT SUBCLASS 181 / 142
WAVE GENERATION
Current as of: June, 1999
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DEFINITION
Classification: 181/142
(under the class definition) Subject matter for producing a sonic compressional wave.
(1) Note. A diaphragm or a diaphragm and means to move it will be placed as an original in subclasses below.
SEE OR SEARCH THIS CLASS, SUBCLASS:
143, for sound means and means to move the sound means.
144, for plural diaphragms.
148, for a diaphragm and enclosure.
157, for a diaphragm.
