US PATENT SUBCLASS 396 / 459
.~.~.~ Plural selectable apertures

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

439  DF  CAMERA DETAIL {15}
452  DF  .~ Shutter {12}
458  DF  .~.~ Including diaphragm {3}
459.~.~.~ Plural selectable apertures

DEFINITION

Classification: 396/459

Plural selectable apertures:

(under subclass 458) Subject matter including multiple different sized openings which may be chosen to control the light.

SEE OR SEARCH THIS CLASS, SUBCLASS:

, FOR 869, for a foreign art collection involving a shutter having a plural apertured diaphragm.