US PATENT SUBCLASS 359 / 442
.~.~.~ Along scale or indicia

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  DF  .~.~ Movable or adjustable {1}
442.~.~.~ Along scale or indicia

DEFINITION

Classification: 359/442

Along scale or indicia:

(under subclass 441) Subject matter including means to guide a lens along the reading direction of a linear scale or indicia.

(1) Note. The lens may be movable along a nonlinear (e.g., circular) scale as well as a linear scale and the structure must be included which constricts or guides the movement of the lens along the scale or indicia.

(2) Note. An actuator, per se, is not classified in this subclass.