US PATENT SUBCLASS 84 / 263
.~.~ Combined
Current as of: June, 1999
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DEFINITION
Classification: 84/263
Instruments having two sets of strings, often on different necks or on opposite sides of the body.
(1) Note. The following subclasses--264 to 289--are intended only for features specific to the instrument named. If the feature is applicable to instruments of two kinds, as a harp and violin, the patent is classified under this class, subclass 290, and indented subclasses.