US PATENT SUBCLASS 65 / 33.6
.~.~.~ Glass applied in powdered form (i.e., frit)

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}
33.5  DF  .~.~ With fusion bonding glass to a formed part (e.g., devitrified seals, glass to metal, etc.) {1}
33.6.~.~.~ Glass applied in powdered form (i.e., frit)

DEFINITION

Classification: 65/33.6

Glass applied in powdered form (i.e., frit):

(under subclass 33.5) Processes wherein the glass used to form the bond is in the form of small particles or dust.