US PATENT SUBCLASS 29 / 407.04
.~.~ Using optical instrument (excludes mere human eyeballing)

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

592  DF  METHOD OF MECHANICAL MANUFACTURE {54}
407.01  DF  .~ With testing or indicating {4}
407.04.~.~ Using optical instrument (excludes mere human eyeballing)

DEFINITION

Classification: 29/407.04

Using optical instrument (excludes mere human eyeballing):

(under subclass 407.01) Process wherein the testing or indicating employs an optic or light-sensitive device other than a human eyeball (e.g., microscope, camera, photoelectric cell, etc.)

SEE OR SEARCH CLASS

356, Optics: Measuring and Testing, for using an optical device for measuring or testing, per se.