US PATENT SUBCLASS 65 / 499
.~.~ With heating means for bushing

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

483  DF  FIBER MAKING APPARATUS {21}
495  DF  .~ With specified bushing, tip, or feeder structure {4}
499.~.~ With heating means for bushing

DEFINITION

Classification: 65/499

With heating means for bushing:

(under subclass 495) Apparatus provided with means to increase the temperature of the bushing.