US PATENT SUBCLASS 359 / 469
.~.~.~.~ Using film strips

Current as of: June, 1999
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359 /   HD   OPTICS: SYSTEMS (INCLUDING COMMUNICATION) AND ELEMENTS

462  DF  STEREOSCOPIC {3}
466  DF  .~ Stereo-viewers {8}
467  DF  .~.~ View changers {1}
468  DF  .~.~.~ Picture moves linearly past viewing aperture {1}
469.~.~.~.~ Using film strips

DEFINITION

Classification: 359/469

Using film-strips:

(under subclass 468) Subject matter wherein a carrier is formed as a tape or strip with individual elements of a motion picture sequence uniformly spaced along the strip.

(1) Note. Film strips may include moving film, film-roll band, ribbon of film, film tape, or film spools.

SEE OR SEARCH CLASS

352, Optics: Motion Pictures,

37, for strip type films with a sound record, subclass 56 for methods of working or making a film strip, subclass 59 for stereoscopic apparatus involving plural film strips, subclasses 166+ for drive mechanisms for film strips, and subclasses 232+ for motion picture carriers.

353, Optics: Image Projectors,

120, for picture carriers for still projectors.