US PATENT SUBCLASS 355 / 44
.~ With focusing or projection screen


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

Internet Version by PATENTEC © 1999      Terms of Use



355 /   HD   PHOTOCOPYING

18  DF  PROJECTION PRINTING AND COPYING CAMERAS {27}
44.~ With focusing or projection screen {1}
45  DF  .~.~> Reflector in optical path


DEFINITION

Classification: 355/44

(under subclass 18) Subject matter including a sheet which is adapted to render an image of an object which is projected thereon visible for the purpose of photographing the image on the sheet, previewing the image on the sheet which is identical to one that will be projected on a photosensitive paper, or focusing the optical system.

SEE OR SEARCH CLASS

352, Optics: Motion Pictures, especially

133, for similar structure where either a motion picture projector or a motion picture camera is employed.

399, Electrophotography, subject matter under

158, for electrophotographing devices with reproduced image projection or display of developed image.