US PATENT SUBCLASS 359 / 441
.~.~ Movable or adjustable

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

436  DF  SCALE OR INDICIA READING {4}
440  DF  .~ Lens {1}
441.~.~ Movable or adjustable {1}
442  DF  .~.~.~> Along scale or indicia

DEFINITION

Classification: 359/441

Movable or adjustable:

(under subclass 440) Subject matter including means for adjusting or moving the lens with respect to the scale or indicia as for positioning or focusing the lens.

SEE OR SEARCH THIS CLASS, SUBCLASS:

642+, for lenses, per se.