US PATENT SUBCLASS 451 / 325
.~.~.~.~ Lens abrader

Current as of: June, 1999
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451 /   HD   ABRADING

64  DF  MACHINE {12}
312  DF  .~ Stationary tool {2}
319  DF  .~.~ Rigid {2}
324  DF  .~.~.~ Rotary work holder {1}
325.~.~.~.~ Lens abrader

DEFINITION

Classification: 451/325

Lens abrader:

(under subclass 324) Abrading machine especially adapted for abrading an optical device made from glass, plastic, or other transparent material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

42+, for a lens grinding process.

240, 277, 256, and 323, for other lens grinders.