US PATENT SUBCLASS 352 / 207
.~ Rectilinearly movable

Current as of: June, 1999
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352 /   HD   OPTICS: MOTION PICTURES

204  DF  SHUTTERS {3}
207.~ Rectilinearly movable

DEFINITION

Classification: 352/207

(under subclass 204) Subject matter in which the shutter moves in a rectilinear direction across the light path.

SEE OR SEARCH CLASS

396, Photography,

483+, for sliding shutters used in still photography.