US PATENT SUBCLASS 242 / 356.1
.~.~.~ Coaxial coils

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}
349  DF  .~ With particular drive {7}
356  DF  .~.~ Alternately or differently driven coils {4}
356.1.~.~.~ Coaxial coils

DEFINITION

Classification: 242/356.1

Coaxial coils:

(under subclass 356) Subject matter wherein the supply and take-up coils are supported for rotation about a common axis.