US PATENT SUBCLASS 359 / 456
.~.~.~ Rear projection screen

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

443  DF  PROJECTION SCREEN {13}
454  DF  .~ Unitary sheet comprising plural refracting areas {1}
455  DF  .~.~ Lenticular {2}
456.~.~.~ Rear projection screen {1}
457  DF  .~.~.~.~> With Fresnel lens

DEFINITION

Classification: 359/456

Rear projection screen:

(under subclass 455) Subject matter wherein an image is projected on one side of a screen and viewed from the opposite side.