US PATENT SUBCLASS 396 / 491
.~.~.~ Rectilinear reciprocation

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

DEFINITION

Classification: 396/491

Rectilinear reciprocation:

(under subclass 483) Subject matter wherein a rigid plate is moved in alternate directions in a straight line.

SEE OR SEARCH THIS CLASS, SUBCLASS:

, FOR 888+, for foreign art collections involving a sliding rigid plate shutter having rectilinear reciprocation.