US PATENT SUBCLASS 359 / 656
.~ Microscope objective

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

642  DF  LENS {32}
656.~ Microscope objective {5}
657  DF  .~.~> Having seven components
658  DF  .~.~> Having six components
659  DF  .~.~> Having five components
660  DF  .~.~> Having four components
661  DF  .~.~> Having less than four components

DEFINITION

Classification: 359/656

Microscope objective:

(under subclass 642) Subject matter wherein the focal length of the lens is relatively short and the lens produces a highly magnified real image.

SEE OR SEARCH THIS CLASS, SUBCLASS:

643+, for eyepieces which may be used in conjunction with microscope objectives.