US PATENT SUBCLASS 216 / 98
.~.~.~ Frosting glass

Current as of: June, 1999
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216 /   HD   ETCHING A SUBSTRATE: PROCESSES

83  DF  NONGASEOUS PHASE ETCHING OF SUBSTRATE {9}
96  DF  .~ Etching inorganic substrate {3}
97  DF  .~.~ Substrate is glass {1}
98.~.~.~ Frosting glass

DEFINITION

Classification: 216/98

Frosting glass:

(under subclass 97) Process of producing a frost like opaque surface on the glass by etching.