US PATENT SUBCLASS 356 / 378
.~ Of cavities

Current as of: June, 1999
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356 /   HD   OPTICS: MEASURING AND TESTING

372  DF  BY MENSURATION {8}
378.~ Of cavities

DEFINITION

Classification: 356/378

Of cavities:

(under subclass 372) Subject matter including means to measure the internal dimensional properties of holes.

SEE OR SEARCH THIS CLASS, SUBCLASS:

241, for bore inspection for flaws or imperfections.