US PATENT SUBCLASS 65 / 60.6
.~.~ Free carbon containing coating

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

17.1  DF  PROCESSES {32}
60.1  DF  .~ With coating {7}
60.6.~.~ Free carbon containing coating

DEFINITION

Classification: 65/60.6

Free carbon containing coating:

(under subclass 60.1) Processes in which the glass preform is coated with a material which comprises elemental carbon.

(1) Note. The coating may comprise, e.g., charcoal particles.