US PATENT SUBCLASS 359 / 788
.~.~.~.~ With multiple element third component

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

642  DF  LENS {32}
754  DF  .~ Multiple component lenses {6}
784  DF  .~.~ Three components {3}
785  DF  .~.~.~ + - + Arrangement {5}
788.~.~.~.~ With multiple element third component

DEFINITION

Classification: 359/788

With multiple element third component:

(under subclass 785) Subject matter wherein the third convergent component contains multiple masses of refractive material; each mass having two opposed refracting surfaces disposed transversely of the optical axis of the lens and spaced therealong.

SEE OR SEARCH THIS CLASS, SUBCLASS:

741, for lenses with multipart elements or components.

776, for a four component multiple compo-nent lens wherein

the first + compo-nent contains multiple elements.

786, for a three component multiple component lens wherein the first component contains multiple elements.

787, for a three component multiple component lens wherein the second component contains multiple elements.

796, for a lens having a single component with multiple elements. 797, for a lens having a single component with three or more elements.