US PATENT SUBCLASS 226 / 39
.~.~.~ By material contact

Current as of: June, 1999
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226 /   HD   ADVANCING MATERIAL OF INDETERMINATE LENGTH

10  DF  WITH MATERIAL-RESPONSIVE CONTROL MEANS {7}
24  DF  .~ To regulate longitudinal movement of material {10}
38  DF  .~.~ By means to retard material movement {1}
39.~.~.~ By material contact

DEFINITION

Classification: 226/39

(under subclass 38) Device wherein the means to retard directly engages the material.

SEE OR SEARCH CLASS

352, Optics: Motion Pictures,

184, for intermittent film arresting means used in motion picture apparatus.