US PATENT SUBCLASS 65 / 378
.~.~ Optical property


Current as of: June, 1999
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65 /   HD   GLASS MANUFACTURING

376  DF  PROCESSES OF MANUFACTURING FIBERS, FILAMENTS, OR PREFORMS {18}
377  DF  .~ With measuring, controlling, sensing, programming, timing, indicating, or testing {6}
378.~.~ Optical property


DEFINITION

Classification: 65/378

Optical property:

(under subclass 377) Processes combined with measuring, controlling, programming, sensing, timing, indicating, or testing the properties of light or visual characteristics

associated with the fibers, filaments, or preforms during manufacture or treatment thereof.

(1) Note. Class 65 patents directed to measuring, controlling, sensing, indicating, inspecting, or testing divergence, convergence, transmittance, or internal reflection of light rays passing through optical fibers, filaments, or preforms are proper for this subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

485, for apparatus having means for measuring, controlling, sensing, indicating, or testing visual characteristics or light properties associated with the fibers, filaments, or preforms during manufacture or treatment thereof.