US PATENT SUBCLASS 359 / 726
.~ With reflecting element

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

642  DF  LENS {32}
726.~ With reflecting element {3}
727  DF  .~.~> Including concave or convex reflecting surface {2}
732  DF  .~.~> For producing a double pass
733  DF  .~.~> Multiple component lenses {3}

DEFINITION

Classification: 359/726

With reflecting element:

(under subclass 642) Subject matter wherein the lens system includes a reflective surface transverse to the light path.

SEE OR SEARCH THIS CLASS, SUBCLASS:

503+, for extended spacing structure employing diverse refractive and reflective elements.