US PATENT SUBCLASS 359 / 365
.~.~ Two or more in a series

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

362  DF  COMPOUND LENS SYSTEM {8}
364  DF  .~ With curved reflective imaging element {1}
365.~.~ Two or more in a series {1}
366  DF  .~.~.~> Concave, convex combination

DEFINITION

Classification: 359/365

Two or more in a series:

(under subclass 364) Subject matter including a plurality of curved reflectors contributing to the formation of one or more of the real images.

SEE OR SEARCH THIS CLASS, SUBCLASS:

858+, for image forming reflectors having plural curved surfaces in series.