US PATENT SUBCLASS 359 / 706
.~.~.~.~ With specific ring means


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

642  DF  LENS {32}
676  DF  .~ With variable magnification (e.g., zoom type ) {6}
694  DF  .~.~ Adjusting mechanism {6}
705  DF  .~.~.~ With macro type focusing {1}
706.~.~.~.~ With specific ring means


DEFINITION

Classification: 359/706

With specified ring:

(under subclass 705) Subject matter having a specified circular band.