US PATENT SUBCLASS 242 / 325.3
.~.~ Reversible

Current as of: June, 1999
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242 /   HD   WINDING, TENSIONING, OR GUIDING

324  DF  UNWINDING AND REWINDING A MACHINE CONVERTIBLE INFORMATION CARRIER (E.G., MAGNETIC TAPE OR PHOTOGRAPHIC FILM) {13}
325  DF  .~ Endless coiled carrier (i.e., closed loop) {5}
325.3.~.~ Reversible

DEFINITION

Classification: 242/325.3

Reversible:

(under subclass 325) Subject matter comprising a drive mechanism for moving the information-bearing carrier in one direction for winding and unwinding, which mechanism is operable to move the carrier in an opposite direction.