US PATENT SUBCLASS 353 / 22
TRANSPARENT PLATE

Current as of: June, 1999
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353 /   HD   OPTICS: IMAGE PROJECTORS

22TRANSPARENT PLATE {1}
23  DF  .~> Plate part of film gate {1}

DEFINITION

Classification: 353/22

(under the class definition) Subject matter including a transparent plate having parallel flat surfaces in the optical path through which the projecting light beam passes.