US PATENT SUBCLASS 396 / 490
.~.~.~.~ Move in opposite directions

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

439  DF  CAMERA DETAIL {15}
452  DF  .~ Shutter {12}
483  DF  .~.~ Sliding plate type {2}
484  DF  .~.~.~ Plural plates {6}
490.~.~.~.~ Move in opposite directions

DEFINITION

Classification: 396/490

Move in opposite directions:

(under subclass 484) Subject matter wherein one of the stiff sheets slides in a reverse direction with respect to the other sheet.

SEE OR SEARCH THIS CLASS, SUBCLASS:

, FOR 887, for a foreign art collection involving a shutter formed by plural sliding rigid plates which move in opposite directions.