US PATENT SUBCLASS 40 / 518
.~ Double reel and web

Current as of: June, 1999
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40 /   HD   CARD, PICTURE, OR SIGN EXHIBITING

446  DF  CHANGING EXHIBITOR {25}
518.~ Double reel and web {3}
519  DF  .~.~> Cluth take-up
520  DF  .~.~> Spring rewind {1}
522  DF  .~.~> Reversing gear {1}

DEFINITION

Classification: 40/518

Double reel and web:

(under subclass 446) Device comprising a charactered web having its ends connected with rollers in such manner as to be wound upon one roller as it is unwound from the other and to thereby successively display the characters thereon for observation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

347, for a double reel and charactered web which displays copy to be transcribed.

SEE OR SEARCH CLASS

160, Flexible or Portable Closure, Partition, or Panel,

241, for similarly mounted screens, etc.