US PATENT SUBCLASS 205 / 769
.~.~ Glass, silica, quartz, or optical material (e.g., contact lenses, etc.)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


205 /   HD   ELECTROLYSIS: PROCESSES, COMPOSITIONS USED THEREIN, AND METHODS OF PREPARING THE COMPOSITIONS

687  DF  ELECTROLYTIC MATERIAL TREATMENT (PRODUCT, PROCESS, AND ELECTROLYTE COMPOSITION) {8}
766  DF  .~ Solid (e.g., articles, particles, ore, etc.) {3}
769.~.~ Glass, silica, quartz, or optical material (e.g., contact lenses, etc.)

DEFINITION

Classification: 205/769

Glass, silica, quartz, or optical material (e.g., contact lenses, etc.):

(under subclass 766) Subject matter in which the solid material is glass, silica, quartz, or a material used for optical purposes (e.g., contact lenses, etc.).