US PATENT SUBCLASS 65 / 60.2
.~.~ Plural diverse layers

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

17.1  DF  PROCESSES {32}
60.1  DF  .~ With coating {7}
60.2.~.~ Plural diverse layers

DEFINITION

Classification: 65/60.2

Plural diverse layers:

(under subclass 60.1) Processes which result in the glass preform having more than one coating layer, each layer comprising a different substance.