US PATENT SUBCLASS 359 / 606
.~.~.~.~.~ Prismoidal

Current as of: June, 1999
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359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

601  DF  GLARE OR UNWANTED LIGHT REDUCTION {6}
602  DF  .~ With mirror (e.g., mirror with glare screen, etc.) {1}
603  DF  .~.~ Anti-glare mirror {1}
604  DF  .~.~.~ Adjustable {2}
605  DF  .~.~.~.~ Plural reflecting surfaces {2}
606.~.~.~.~.~ Prismoidal

DEFINITION

Classification: 359/606

Prismoidal:

(under subclass 605) Subject matter including a wedge shaped transparent body, usually silvered on the rear surface, which reflects light to a viewer from the front surface or from the rear surface through the transparent body.

(1) Note. There are reflecting surfaces which are at an angle to each other in subclass 605 above, but the reflective

surfaces are not on the same transpar-ent body.

SEE OR SEARCH THIS CLASS, SUBCLASS:

831+, for prisms, per se.