US PATENT SUBCLASS 65 / 61
.~ With wearing away of surface material (e.g., abrading or grinding)

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

17.1  DF  PROCESSES {32}
61.~ With wearing away of surface material (e.g., abrading or grinding)

DEFINITION

Classification: 65/61

(under subclass 17.1) Processes combined with a step of

wearing away glass by rubbing with an abrasive to smooth, polish or remove material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

37+, for a process of lens-making involving both grinding and bonding.

SEE OR SEARCH CLASS

451, Abrading, for grinding generally, particularly

41+, for a process of grinding glass or stone.