US PATENT SUBCLASS 362 / 303
.~.~.~.~.~ With or including means blocking axial rays

Current as of: June, 1999
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362 /   HD   ILLUMINATION

257  DF  LIGHT SOURCE (OR SUPPORT THEREFOR) AND MODIFIER {18}
296  DF  .~ Including reflector {4}
297  DF  .~.~ With or including plural, distinct reflecting surfaces {2}
298  DF  .~.~.~ Opposed {4}
302  DF  .~.~.~.~ With or including coaxial reflecting surfaces {1}
303.~.~.~.~.~ With or including means blocking axial rays

DEFINITION

Classification: 362/303

(under subclass 302) Subject matter wherein light in both directions along the axis of the coaxial surfaces is blocked either by the light source support or a reflecting surface or some other opaque modifier.