US PATENT SUBCLASS 396 / 492
.~.~.~.~ Vertical motion

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}
491  DF  .~.~.~ Rectilinear reciprocation {1}
492.~.~.~.~ Vertical motion

DEFINITION

Classification: 396/492

Vertical motion:

(under subclass 491) Subject matter wherein the rigid plate is moved in a straight line so as to form a right angle with the plane of the horizon.

SEE OR SEARCH THIS CLASS, SUBCLASS:

, FOR 889, for a foreign art collection involving a sliding rigid plate shutter having rectilinear reciprocation with vertical motion.