US PATENT SUBCLASS 362 / 334
.~.~.~ Curved main surface

Current as of: June, 1999
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362 /   HD   ILLUMINATION

317  DF  LIGHT MODIFIER {5}
326  DF  .~ Refractor {7}
333  DF  .~.~ With plural elements on both sides of main surface {1}
334.~.~.~ Curved main surface

DEFINITION

Classification: 362/334

(under subclass 333) Subject matter wherein at least one of the main surfaces is nonlinear.

SEE OR SEARCH THIS CLASS, SUBCLASS:

338, for a curved main surface with plural similar

curvilinear refracting elements.

340, for a curved main surface with plural angular refracting elements.