US PATENT SUBCLASS 29 / 896.21
.~.~ Hearing aid component making

Current as of: June, 1999
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29 /   HD   METAL WORKING

592  DF  METHOD OF MECHANICAL MANUFACTURE {54}
896.2  DF  .~ Sound device making {4}
896.21.~.~ Hearing aid component making

DEFINITION

Classification: 29/896.21

Hearing aid component making:

(under subclass 896.2) Process wherein the manufactured device is especially adapted to be worn in order to compensate for poor hearing.

SEE OR SEARCH CLASS

600, Surgery,

25, for a process of surgically implanting a vibratory hearing aid. Also see the search note thereunder.