US PATENT SUBCLASS 65 / 434
.~.~ With quench cooling (e.g., forced air or cryogenic immersion, etc.)

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

376  DF  PROCESSES OF MANUFACTURING FIBERS, FILAMENTS, OR PREFORMS {18}
385  DF  .~ Process of manufacturing optical fibers, waveguides, or preforms thereof {29}
434.~.~ With quench cooling (e.g., forced air or cryogenic immersion, etc.)

DEFINITION

Classification: 65/434

With quench cooling (e.g., forced air or cryogenic immersion, etc.):

(under subclass 385) Processes combined with a step of rapidly lowering the temperature of the optical fiber, waveguide, or preform.