US PATENT SUBCLASS 65 / 33.9
.~.~ Forming product or preform from molten glass


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

17.1  DF  PROCESSES {32}
33.1  DF  .~ Devitrifying glass or vitrifying crystalline glass (e.g., starting with or forming crystalline glass, etc.) {6}
33.9.~.~ Forming product or preform from molten glass


DEFINITION

Classification: 65/33.9

Forming product or preform from molten glass:

(under subclass 33.1) Processes wherein a vitrified or devitrified glass product or preform produced is formed

directly from molten glass.