US PATENT SUBCLASS 242 / 330
.~ Simultaneously driven carriers (e.g., separate optic and sound webs)

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}
330.~ Simultaneously driven carriers (e.g., separate optic and sound webs)

DEFINITION

Classification: 242/330

Simultaneously driven carriers (e.g., separate optic and sound webs):

(under subclass 324) Subject matter comprising separate information-bearing carriers and a drive mechanism for unwinding, directing, and rewinding at least two carriers at the same time.

SEE OR SEARCH THIS CLASS, SUBCLASS:

530, for simultaneous, convolute winding of elongated material.